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Finding the Fourth Proportional to 125,585.52, 173,308.17 and 68,224.88

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Solution

The fourth proportional to 125,585.52, 173,308.17 and 68,224.88 is: 94,150.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,585.52 : 173,308.17 = 68,224.88 : x
  2. Step 2: Convert to fraction form
    125,585.52/173,308.17 = 68,224.88/x
  3. Step 3: Cross multiply
    125,585.52x = 173,308.17 × 68,224.88
  4. Step 4: Simplify right side
    125,585.52x = 11,823,928,497.44
  5. Step 5: Solve for x
    x = 11,823,928,497.44/125,585.52
  6. Step 6: Final answer
    x = 94,150.41

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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.