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Finding the Fourth Proportional to 117,785.13, 176,734.39 and 58,625.97

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Solution

The fourth proportional to 117,785.13, 176,734.39 and 58,625.97 is: 87,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,785.13 : 176,734.39 = 58,625.97 : x
  2. Step 2: Convert to fraction form
    117,785.13/176,734.39 = 58,625.97/x
  3. Step 3: Cross multiply
    117,785.13x = 176,734.39 × 58,625.97
  4. Step 4: Simplify right side
    117,785.13x = 10,361,225,046.11
  5. Step 5: Solve for x
    x = 10,361,225,046.11/117,785.13
  6. Step 6: Final answer
    x = 87,967.17

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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.