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Finding the Fourth Proportional to 218,568.69, 301,658.27 and 132,541.65

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Solution

The fourth proportional to 218,568.69, 301,658.27 and 132,541.65 is: 182,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,568.69 : 301,658.27 = 132,541.65 : x
  2. Step 2: Convert to fraction form
    218,568.69/301,658.27 = 132,541.65/x
  3. Step 3: Cross multiply
    218,568.69x = 301,658.27 × 132,541.65
  4. Step 4: Simplify right side
    218,568.69x = 39,982,284,179.24
  5. Step 5: Solve for x
    x = 39,982,284,179.24/218,568.69
  6. Step 6: Final answer
    x = 182,927.78

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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.