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Finding the Fourth Proportional to 113,838.92, 157,083.22 and 63,540.04

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Solution

The fourth proportional to 113,838.92, 157,083.22 and 63,540.04 is: 87,677.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,838.92 : 157,083.22 = 63,540.04 : x
  2. Step 2: Convert to fraction form
    113,838.92/157,083.22 = 63,540.04/x
  3. Step 3: Cross multiply
    113,838.92x = 157,083.22 × 63,540.04
  4. Step 4: Simplify right side
    113,838.92x = 9,981,074,082.13
  5. Step 5: Solve for x
    x = 9,981,074,082.13/113,838.92
  6. Step 6: Final answer
    x = 87,677.17

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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.