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Finding the Fourth Proportional to 223,691.12, 308,576.11 and 132,982.57

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Solution

The fourth proportional to 223,691.12, 308,576.11 and 132,982.57 is: 183,446.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,691.12 : 308,576.11 = 132,982.57 : x
  2. Step 2: Convert to fraction form
    223,691.12/308,576.11 = 132,982.57/x
  3. Step 3: Cross multiply
    223,691.12x = 308,576.11 × 132,982.57
  4. Step 4: Simplify right side
    223,691.12x = 41,035,244,148.40
  5. Step 5: Solve for x
    x = 41,035,244,148.40/223,691.12
  6. Step 6: Final answer
    x = 183,446.01

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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.