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Finding the Fourth Proportional to 99,101,998.20, 148,652,997.30 and 99,101,998.20

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Solution

The fourth proportional to 99,101,998.20, 148,652,997.30 and 99,101,998.20 is: 148,652,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,101,998.20 : 148,652,997.30 = 99,101,998.20 : x
  2. Step 2: Convert to fraction form
    99,101,998.20/148,652,997.30 = 99,101,998.20/x
  3. Step 3: Cross multiply
    99,101,998.20x = 148,652,997.30 × 99,101,998.20
  4. Step 4: Simplify right side
    99,101,998.20x = 14,731,809,070,849,206
  5. Step 5: Solve for x
    x = 14,731,809,070,849,206/99,101,998.20
  6. Step 6: Final answer
    x = 148,652,997.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.