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Finding the Fourth Proportional to 125,264.88, 172,730.52 and 95,105.52

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Solution

The fourth proportional to 125,264.88, 172,730.52 and 95,105.52 is: 131,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,264.88 : 172,730.52 = 95,105.52 : x
  2. Step 2: Convert to fraction form
    125,264.88/172,730.52 = 95,105.52/x
  3. Step 3: Cross multiply
    125,264.88x = 172,730.52 × 95,105.52
  4. Step 4: Simplify right side
    125,264.88x = 16,427,625,924.47
  5. Step 5: Solve for x
    x = 16,427,625,924.47/125,264.88
  6. Step 6: Final answer
    x = 131,143.11

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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.