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Finding the Fourth Proportional to 83,318,786.14, 124,978,594.74 and 34,161,489.74

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Solution

The fourth proportional to 83,318,786.14, 124,978,594.74 and 34,161,489.74 is: 51,242,404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,318,786.14 : 124,978,594.74 = 34,161,489.74 : x
  2. Step 2: Convert to fraction form
    83,318,786.14/124,978,594.74 = 34,161,489.74/x
  3. Step 3: Cross multiply
    83,318,786.14x = 124,978,594.74 × 34,161,489.74
  4. Step 4: Simplify right side
    83,318,786.14x = 4,269,454,981,930,128
  5. Step 5: Solve for x
    x = 4,269,454,981,930,128/83,318,786.14
  6. Step 6: Final answer
    x = 51,242,404.98

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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.