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Finding the Fourth Proportional to 124,452.19, 171,743.52 and 67,863.61

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Solution

The fourth proportional to 124,452.19, 171,743.52 and 67,863.61 is: 93,651.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,452.19 : 171,743.52 = 67,863.61 : x
  2. Step 2: Convert to fraction form
    124,452.19/171,743.52 = 67,863.61/x
  3. Step 3: Cross multiply
    124,452.19x = 171,743.52 × 67,863.61
  4. Step 4: Simplify right side
    124,452.19x = 11,655,135,261.31
  5. Step 5: Solve for x
    x = 11,655,135,261.31/124,452.19
  6. Step 6: Final answer
    x = 93,651.51

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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.