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Finding the Fourth Proportional to 237,195.78, 327,329.01 and 129,763.86

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Solution

The fourth proportional to 237,195.78, 327,329.01 and 129,763.86 is: 179,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,195.78 : 327,329.01 = 129,763.86 : x
  2. Step 2: Convert to fraction form
    237,195.78/327,329.01 = 129,763.86/x
  3. Step 3: Cross multiply
    237,195.78x = 327,329.01 × 129,763.86
  4. Step 4: Simplify right side
    237,195.78x = 42,475,475,827.58
  5. Step 5: Solve for x
    x = 42,475,475,827.58/237,195.78
  6. Step 6: Final answer
    x = 179,073.49

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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.