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Finding the Fourth Proportional to 104,850.72, 157,217.76 and 34,691.76

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Solution

The fourth proportional to 104,850.72, 157,217.76 and 34,691.76 is: 52,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,850.72 : 157,217.76 = 34,691.76 : x
  2. Step 2: Convert to fraction form
    104,850.72/157,217.76 = 34,691.76/x
  3. Step 3: Cross multiply
    104,850.72x = 157,217.76 × 34,691.76
  4. Step 4: Simplify right side
    104,850.72x = 5,454,160,797.66
  5. Step 5: Solve for x
    x = 5,454,160,797.66/104,850.72
  6. Step 6: Final answer
    x = 52,018.34

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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.