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Finding the Fourth Proportional to 99,092.10, 148,638.15 and 63,662.70

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Solution

The fourth proportional to 99,092.10, 148,638.15 and 63,662.70 is: 95,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,092.10 : 148,638.15 = 63,662.70 : x
  2. Step 2: Convert to fraction form
    99,092.10/148,638.15 = 63,662.70/x
  3. Step 3: Cross multiply
    99,092.10x = 148,638.15 × 63,662.70
  4. Step 4: Simplify right side
    99,092.10x = 9,462,705,952.01
  5. Step 5: Solve for x
    x = 9,462,705,952.01/99,092.10
  6. Step 6: Final answer
    x = 95,494.05

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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.