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Finding the Fourth Proportional to 59,786,336.80, 89,679,505.20 and 54,684,503.20

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Solution

The fourth proportional to 59,786,336.80, 89,679,505.20 and 54,684,503.20 is: 82,026,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,786,336.80 : 89,679,505.20 = 54,684,503.20 : x
  2. Step 2: Convert to fraction form
    59,786,336.80/89,679,505.20 = 54,684,503.20/x
  3. Step 3: Cross multiply
    59,786,336.80x = 89,679,505.20 × 54,684,503.20
  4. Step 4: Simplify right side
    59,786,336.80x = 4,904,079,189,083,817
  5. Step 5: Solve for x
    x = 4,904,079,189,083,817/59,786,336.80
  6. Step 6: Final answer
    x = 82,026,754.80

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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.