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Finding the Fourth Proportional to 219,351.72, 329,034.29 and 75,255.52

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Solution

The fourth proportional to 219,351.72, 329,034.29 and 75,255.52 is: 112,885.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,351.72 : 329,034.29 = 75,255.52 : x
  2. Step 2: Convert to fraction form
    219,351.72/329,034.29 = 75,255.52/x
  3. Step 3: Cross multiply
    219,351.72x = 329,034.29 × 75,255.52
  4. Step 4: Simplify right side
    219,351.72x = 24,761,646,591.78
  5. Step 5: Solve for x
    x = 24,761,646,591.78/219,351.72
  6. Step 6: Final answer
    x = 112,885.58

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1.5x scale

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.