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Finding the Fourth Proportional to 62,658.39, 93,763.04 and 54,253.90

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Solution

The fourth proportional to 62,658.39, 93,763.04 and 54,253.90 is: 81,186.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,658.39 : 93,763.04 = 54,253.90 : x
  2. Step 2: Convert to fraction form
    62,658.39/93,763.04 = 54,253.90/x
  3. Step 3: Cross multiply
    62,658.39x = 93,763.04 × 54,253.90
  4. Step 4: Simplify right side
    62,658.39x = 5,087,010,899.56
  5. Step 5: Solve for x
    x = 5,087,010,899.56/62,658.39
  6. Step 6: Final answer
    x = 81,186.43

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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.