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Finding the Fourth Proportional to 99,854,462.60, 149,781,693.90 and 88,507,723.40

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Solution

The fourth proportional to 99,854,462.60, 149,781,693.90 and 88,507,723.40 is: 132,761,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854,462.60 : 149,781,693.90 = 88,507,723.40 : x
  2. Step 2: Convert to fraction form
    99,854,462.60/149,781,693.90 = 88,507,723.40/x
  3. Step 3: Cross multiply
    99,854,462.60x = 149,781,693.90 × 88,507,723.40
  4. Step 4: Simplify right side
    99,854,462.60x = 13,256,836,734,084,668
  5. Step 5: Solve for x
    x = 13,256,836,734,084,668/99,854,462.60
  6. Step 6: Final answer
    x = 132,761,585.10

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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.