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Finding the Fourth Proportional to 99,653,999.60, 149,480,999.40 and 99,653,999.60

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Solution

The fourth proportional to 99,653,999.60, 149,480,999.40 and 99,653,999.60 is: 149,480,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,653,999.60 : 149,480,999.40 = 99,653,999.60 : x
  2. Step 2: Convert to fraction form
    99,653,999.60/149,480,999.40 = 99,653,999.60/x
  3. Step 3: Cross multiply
    99,653,999.60x = 149,480,999.40 × 99,653,999.60
  4. Step 4: Simplify right side
    99,653,999.60x = 14,896,379,454,415,200
  5. Step 5: Solve for x
    x = 14,896,379,454,415,200/99,653,999.60
  6. Step 6: Final answer
    x = 149,480,999.40

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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.