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Finding the Fourth Proportional to 269,521.59, 371,933.28 and 148,660.28

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Solution

The fourth proportional to 269,521.59, 371,933.28 and 148,660.28 is: 205,147.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,521.59 : 371,933.28 = 148,660.28 : x
  2. Step 2: Convert to fraction form
    269,521.59/371,933.28 = 148,660.28/x
  3. Step 3: Cross multiply
    269,521.59x = 371,933.28 × 148,660.28
  4. Step 4: Simplify right side
    269,521.59x = 55,291,704,523.73
  5. Step 5: Solve for x
    x = 55,291,704,523.73/269,521.59
  6. Step 6: Final answer
    x = 205,147.59

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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.