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Finding the Fourth Proportional to 60,732.33, 83,793.79 and 39,222.98

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Solution

The fourth proportional to 60,732.33, 83,793.79 and 39,222.98 is: 54,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,732.33 : 83,793.79 = 39,222.98 : x
  2. Step 2: Convert to fraction form
    60,732.33/83,793.79 = 39,222.98/x
  3. Step 3: Cross multiply
    60,732.33x = 83,793.79 × 39,222.98
  4. Step 4: Simplify right side
    60,732.33x = 3,286,642,149.29
  5. Step 5: Solve for x
    x = 3,286,642,149.29/60,732.33
  6. Step 6: Final answer
    x = 54,116.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.