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Finding the Fourth Proportional to 124,483.14, 171,781.56 and 67,894.52

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Solution

The fourth proportional to 124,483.14, 171,781.56 and 67,894.52 is: 93,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,483.14 : 171,781.56 = 67,894.52 : x
  2. Step 2: Convert to fraction form
    124,483.14/171,781.56 = 67,894.52/x
  3. Step 3: Cross multiply
    124,483.14x = 171,781.56 × 67,894.52
  4. Step 4: Simplify right side
    124,483.14x = 11,663,025,702.14
  5. Step 5: Solve for x
    x = 11,663,025,702.14/124,483.14
  6. Step 6: Final answer
    x = 93,691.61

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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.