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Finding the Fourth Proportional to 234,615.68, 323,693.52 and 132,631.28

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Solution

The fourth proportional to 234,615.68, 323,693.52 and 132,631.28 is: 182,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,615.68 : 323,693.52 = 132,631.28 : x
  2. Step 2: Convert to fraction form
    234,615.68/323,693.52 = 132,631.28/x
  3. Step 3: Cross multiply
    234,615.68x = 323,693.52 × 132,631.28
  4. Step 4: Simplify right side
    234,615.68x = 42,931,885,885.31
  5. Step 5: Solve for x
    x = 42,931,885,885.31/234,615.68
  6. Step 6: Final answer
    x = 182,988.14

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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.