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Finding the Fourth Proportional to 117,175.92, 175,764.13 and 42,348.89

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Solution

The fourth proportional to 117,175.92, 175,764.13 and 42,348.89 is: 63,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,175.92 : 175,764.13 = 42,348.89 : x
  2. Step 2: Convert to fraction form
    117,175.92/175,764.13 = 42,348.89/x
  3. Step 3: Cross multiply
    117,175.92x = 175,764.13 × 42,348.89
  4. Step 4: Simplify right side
    117,175.92x = 7,443,416,140.85
  5. Step 5: Solve for x
    x = 7,443,416,140.85/117,175.92
  6. Step 6: Final answer
    x = 63,523.43

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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.