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Finding the Fourth Proportional to 101,684.88, 152,517.60 and 62,221.68

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Solution

The fourth proportional to 101,684.88, 152,517.60 and 62,221.68 is: 93,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,684.88 : 152,517.60 = 62,221.68 : x
  2. Step 2: Convert to fraction form
    101,684.88/152,517.60 = 62,221.68/x
  3. Step 3: Cross multiply
    101,684.88x = 152,517.60 × 62,221.68
  4. Step 4: Simplify right side
    101,684.88x = 9,489,901,301.57
  5. Step 5: Solve for x
    x = 9,489,901,301.57/101,684.88
  6. Step 6: Final answer
    x = 93,326.57

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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.