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Finding the Fourth Proportional to 59,789,519.60, 89,542,561.80 and 59,789,519.60

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Solution

The fourth proportional to 59,789,519.60, 89,542,561.80 and 59,789,519.60 is: 89,542,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,789,519.60 : 89,542,561.80 = 59,789,519.60 : x
  2. Step 2: Convert to fraction form
    59,789,519.60/89,542,561.80 = 59,789,519.60/x
  3. Step 3: Cross multiply
    59,789,519.60x = 89,542,561.80 × 59,789,519.60
  4. Step 4: Simplify right side
    59,789,519.60x = 5,353,706,753,775,311
  5. Step 5: Solve for x
    x = 5,353,706,753,775,311/59,789,519.60
  6. Step 6: Final answer
    x = 89,542,561.80

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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.