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Finding the Fourth Proportional to 176,358.40, 243,375.12 and 95,787.28

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Solution

The fourth proportional to 176,358.40, 243,375.12 and 95,787.28 is: 132,186.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,358.40 : 243,375.12 = 95,787.28 : x
  2. Step 2: Convert to fraction form
    176,358.40/243,375.12 = 95,787.28/x
  3. Step 3: Cross multiply
    176,358.40x = 243,375.12 × 95,787.28
  4. Step 4: Simplify right side
    176,358.40x = 23,312,240,764.47
  5. Step 5: Solve for x
    x = 23,312,240,764.47/176,358.40
  6. Step 6: Final answer
    x = 132,186.73

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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.