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Finding the Fourth Proportional to 125,393.34, 173,052.24 and 71,680.62

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Solution

The fourth proportional to 125,393.34, 173,052.24 and 71,680.62 is: 98,924.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,393.34 : 173,052.24 = 71,680.62 : x
  2. Step 2: Convert to fraction form
    125,393.34/173,052.24 = 71,680.62/x
  3. Step 3: Cross multiply
    125,393.34x = 173,052.24 × 71,680.62
  4. Step 4: Simplify right side
    125,393.34x = 12,404,491,855.59
  5. Step 5: Solve for x
    x = 12,404,491,855.59/125,393.34
  6. Step 6: Final answer
    x = 98,924.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.