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Finding the Fourth Proportional to 59,428,468.80, 89,142,703.20 and 59,428,468.80

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Solution

The fourth proportional to 59,428,468.80, 89,142,703.20 and 59,428,468.80 is: 89,142,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,428,468.80 : 89,142,703.20 = 59,428,468.80 : x
  2. Step 2: Convert to fraction form
    59,428,468.80/89,142,703.20 = 59,428,468.80/x
  3. Step 3: Cross multiply
    59,428,468.80x = 89,142,703.20 × 59,428,468.80
  4. Step 4: Simplify right side
    59,428,468.80x = 5,297,614,355,868,860
  5. Step 5: Solve for x
    x = 5,297,614,355,868,860/59,428,468.80
  6. Step 6: Final answer
    x = 89,142,703.20

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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.