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Finding the Fourth Proportional to 59,791,859.80, 89,687,789.70 and 49,021,322.20

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Solution

The fourth proportional to 59,791,859.80, 89,687,789.70 and 49,021,322.20 is: 73,531,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,791,859.80 : 89,687,789.70 = 49,021,322.20 : x
  2. Step 2: Convert to fraction form
    59,791,859.80/89,687,789.70 = 49,021,322.20/x
  3. Step 3: Cross multiply
    59,791,859.80x = 89,687,789.70 × 49,021,322.20
  4. Step 4: Simplify right side
    59,791,859.80x = 4,396,614,036,289,542
  5. Step 5: Solve for x
    x = 4,396,614,036,289,542/59,791,859.80
  6. Step 6: Final answer
    x = 73,531,983.30

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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.