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Finding the Fourth Proportional to 117,422, 176,096.04 and 38,517.88

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Solution

The fourth proportional to 117,422, 176,096.04 and 38,517.88 is: 57,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,422 : 176,096.04 = 38,517.88 : x
  2. Step 2: Convert to fraction form
    117,422/176,096.04 = 38,517.88/x
  3. Step 3: Cross multiply
    117,422x = 176,096.04 × 38,517.88
  4. Step 4: Simplify right side
    117,422x = 6,782,846,137.20
  5. Step 5: Solve for x
    x = 6,782,846,137.20/117,422
  6. Step 6: Final answer
    x = 57,764.70

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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.