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Finding the Fourth Proportional to 234,387.68, 323,448.80 and 132,423.66

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Solution

The fourth proportional to 234,387.68, 323,448.80 and 132,423.66 is: 182,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,387.68 : 323,448.80 = 132,423.66 : x
  2. Step 2: Convert to fraction form
    234,387.68/323,448.80 = 132,423.66/x
  3. Step 3: Cross multiply
    234,387.68x = 323,448.80 × 132,423.66
  4. Step 4: Simplify right side
    234,387.68x = 42,832,273,256.49
  5. Step 5: Solve for x
    x = 42,832,273,256.49/234,387.68
  6. Step 6: Final answer
    x = 182,741.15

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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.