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Finding the Fourth Proportional to 59,786,434.80, 89,679,652.20 and 54,684,601.20

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Solution

The fourth proportional to 59,786,434.80, 89,679,652.20 and 54,684,601.20 is: 82,026,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,786,434.80 : 89,679,652.20 = 54,684,601.20 : x
  2. Step 2: Convert to fraction form
    59,786,434.80/89,679,652.20 = 54,684,601.20/x
  3. Step 3: Cross multiply
    59,786,434.80x = 89,679,652.20 × 54,684,601.20
  4. Step 4: Simplify right side
    59,786,434.80x = 4,904,096,016,311,703
  5. Step 5: Solve for x
    x = 4,904,096,016,311,703/59,786,434.80
  6. Step 6: Final answer
    x = 82,026,901.80

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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.