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Finding the Fourth Proportional to 223,787.92, 308,834.13 and 158,493.72

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Solution

The fourth proportional to 223,787.92, 308,834.13 and 158,493.72 is: 218,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,787.92 : 308,834.13 = 158,493.72 : x
  2. Step 2: Convert to fraction form
    223,787.92/308,834.13 = 158,493.72/x
  3. Step 3: Cross multiply
    223,787.92x = 308,834.13 × 158,493.72
  4. Step 4: Simplify right side
    223,787.92x = 48,948,270,126.66
  5. Step 5: Solve for x
    x = 48,948,270,126.66/223,787.92
  6. Step 6: Final answer
    x = 218,726.15

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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.