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Finding the Fourth Proportional to 124,425.16, 171,706.60 and 67,836.52

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Solution

The fourth proportional to 124,425.16, 171,706.60 and 67,836.52 is: 93,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,425.16 : 171,706.60 = 67,836.52 : x
  2. Step 2: Convert to fraction form
    124,425.16/171,706.60 = 67,836.52/x
  3. Step 3: Cross multiply
    124,425.16x = 171,706.60 × 67,836.52
  4. Step 4: Simplify right side
    124,425.16x = 11,647,978,205.03
  5. Step 5: Solve for x
    x = 11,647,978,205.03/124,425.16
  6. Step 6: Final answer
    x = 93,614.33

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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.