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Finding the Fourth Proportional to 75,251.72, 112,894.86 and 25,330.48

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Solution

The fourth proportional to 75,251.72, 112,894.86 and 25,330.48 is: 38,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,251.72 : 112,894.86 = 25,330.48 : x
  2. Step 2: Convert to fraction form
    75,251.72/112,894.86 = 25,330.48/x
  3. Step 3: Cross multiply
    75,251.72x = 112,894.86 × 25,330.48
  4. Step 4: Simplify right side
    75,251.72x = 2,859,680,909.88
  5. Step 5: Solve for x
    x = 2,859,680,909.88/75,251.72
  6. Step 6: Final answer
    x = 38,001.54

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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.