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Finding the Fourth Proportional to 59,786,472.30, 89,679,708.45 and 54,684,638.70

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Solution

The fourth proportional to 59,786,472.30, 89,679,708.45 and 54,684,638.70 is: 82,026,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,786,472.30 : 89,679,708.45 = 54,684,638.70 : x
  2. Step 2: Convert to fraction form
    59,786,472.30/89,679,708.45 = 54,684,638.70/x
  3. Step 3: Cross multiply
    59,786,472.30x = 89,679,708.45 × 54,684,638.70
  4. Step 4: Simplify right side
    59,786,472.30x = 4,904,102,455,309,587
  5. Step 5: Solve for x
    x = 4,904,102,455,309,587/59,786,472.30
  6. Step 6: Final answer
    x = 82,026,958.05

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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.