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Finding the Fourth Proportional to 75,169.52, 112,767.08 and 25,910

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Solution

The fourth proportional to 75,169.52, 112,767.08 and 25,910 is: 38,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,169.52 : 112,767.08 = 25,910 : x
  2. Step 2: Convert to fraction form
    75,169.52/112,767.08 = 25,910/x
  3. Step 3: Cross multiply
    75,169.52x = 112,767.08 × 25,910
  4. Step 4: Simplify right side
    75,169.52x = 2,921,795,042.80
  5. Step 5: Solve for x
    x = 2,921,795,042.80/75,169.52
  6. Step 6: Final answer
    x = 38,869.41

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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.