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Finding the Fourth Proportional to 143,951.28, 198,734.10 and 95,636.14

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Solution

The fourth proportional to 143,951.28, 198,734.10 and 95,636.14 is: 132,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,951.28 : 198,734.10 = 95,636.14 : x
  2. Step 2: Convert to fraction form
    143,951.28/198,734.10 = 95,636.14/x
  3. Step 3: Cross multiply
    143,951.28x = 198,734.10 × 95,636.14
  4. Step 4: Simplify right side
    143,951.28x = 19,006,162,210.37
  5. Step 5: Solve for x
    x = 19,006,162,210.37/143,951.28
  6. Step 6: Final answer
    x = 132,031.91

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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.