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Finding the Fourth Proportional to 60,646,865.70, 90,970,298.55 and 54,096,363.30

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Solution

The fourth proportional to 60,646,865.70, 90,970,298.55 and 54,096,363.30 is: 81,144,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,646,865.70 : 90,970,298.55 = 54,096,363.30 : x
  2. Step 2: Convert to fraction form
    60,646,865.70/90,970,298.55 = 54,096,363.30/x
  3. Step 3: Cross multiply
    60,646,865.70x = 90,970,298.55 × 54,096,363.30
  4. Step 4: Simplify right side
    60,646,865.70x = 4,921,162,319,870,263
  5. Step 5: Solve for x
    x = 4,921,162,319,870,263/60,646,865.70
  6. Step 6: Final answer
    x = 81,144,544.95

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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.