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Finding the Fourth Proportional to 125,540.88, 173,246.22 and 68,179.92

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Solution

The fourth proportional to 125,540.88, 173,246.22 and 68,179.92 is: 94,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,540.88 : 173,246.22 = 68,179.92 : x
  2. Step 2: Convert to fraction form
    125,540.88/173,246.22 = 68,179.92/x
  3. Step 3: Cross multiply
    125,540.88x = 173,246.22 × 68,179.92
  4. Step 4: Simplify right side
    125,540.88x = 11,811,913,419.90
  5. Step 5: Solve for x
    x = 11,811,913,419.90/125,540.88
  6. Step 6: Final answer
    x = 94,088.18

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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.