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Finding the Fourth Proportional to 237,165.31, 327,283.86 and 129,734.41

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Solution

The fourth proportional to 237,165.31, 327,283.86 and 129,734.41 is: 179,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,165.31 : 327,283.86 = 129,734.41 : x
  2. Step 2: Convert to fraction form
    237,165.31/327,283.86 = 129,734.41/x
  3. Step 3: Cross multiply
    237,165.31x = 327,283.86 × 129,734.41
  4. Step 4: Simplify right side
    237,165.31x = 42,459,978,479.62
  5. Step 5: Solve for x
    x = 42,459,978,479.62/237,165.31
  6. Step 6: Final answer
    x = 179,031.15

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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.