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Finding the Fourth Proportional to 59,615,999.90, 89,423,999.85 and 44,499,455.90

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Solution

The fourth proportional to 59,615,999.90, 89,423,999.85 and 44,499,455.90 is: 66,749,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,615,999.90 : 89,423,999.85 = 44,499,455.90 : x
  2. Step 2: Convert to fraction form
    59,615,999.90/89,423,999.85 = 44,499,455.90/x
  3. Step 3: Cross multiply
    59,615,999.90x = 89,423,999.85 × 44,499,455.90
  4. Step 4: Simplify right side
    59,615,999.90x = 3,979,319,337,726,681
  5. Step 5: Solve for x
    x = 3,979,319,337,726,681/59,615,999.90
  6. Step 6: Final answer
    x = 66,749,183.85

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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.