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Finding the Fourth Proportional to 125,073.36, 187,447.32 and 95,382

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Solution

The fourth proportional to 125,073.36, 187,447.32 and 95,382 is: 142,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,073.36 : 187,447.32 = 95,382 : x
  2. Step 2: Convert to fraction form
    125,073.36/187,447.32 = 95,382/x
  3. Step 3: Cross multiply
    125,073.36x = 187,447.32 × 95,382
  4. Step 4: Simplify right side
    125,073.36x = 17,879,100,276.24
  5. Step 5: Solve for x
    x = 17,879,100,276.24/125,073.36
  6. Step 6: Final answer
    x = 142,948.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.