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Finding the Fourth Proportional to 269,503.74, 371,932.16 and 154,818.27

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Solution

The fourth proportional to 269,503.74, 371,932.16 and 154,818.27 is: 213,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,503.74 : 371,932.16 = 154,818.27 : x
  2. Step 2: Convert to fraction form
    269,503.74/371,932.16 = 154,818.27/x
  3. Step 3: Cross multiply
    269,503.74x = 371,932.16 × 154,818.27
  4. Step 4: Simplify right side
    269,503.74x = 57,581,892,794.47
  5. Step 5: Solve for x
    x = 57,581,892,794.47/269,503.74
  6. Step 6: Final answer
    x = 213,658.97

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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.