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Finding the Fourth Proportional to 223,379.27, 308,308.23 and 132,717.78

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Solution

The fourth proportional to 223,379.27, 308,308.23 and 132,717.78 is: 183,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,379.27 : 308,308.23 = 132,717.78 : x
  2. Step 2: Convert to fraction form
    223,379.27/308,308.23 = 132,717.78/x
  3. Step 3: Cross multiply
    223,379.27x = 308,308.23 × 132,717.78
  4. Step 4: Simplify right side
    223,379.27x = 40,917,983,841.33
  5. Step 5: Solve for x
    x = 40,917,983,841.33/223,379.27
  6. Step 6: Final answer
    x = 183,177.18

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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.