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Finding the Fourth Proportional to 126,052.88, 173,956.61 and 69,467.90

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Solution

The fourth proportional to 126,052.88, 173,956.61 and 69,467.90 is: 95,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,052.88 : 173,956.61 = 69,467.90 : x
  2. Step 2: Convert to fraction form
    126,052.88/173,956.61 = 69,467.90/x
  3. Step 3: Cross multiply
    126,052.88x = 173,956.61 × 69,467.90
  4. Step 4: Simplify right side
    126,052.88x = 12,084,399,691.71
  5. Step 5: Solve for x
    x = 12,084,399,691.71/126,052.88
  6. Step 6: Final answer
    x = 95,867.70

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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.