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Finding the Fourth Proportional to 269,872.38, 372,428.50 and 174,545.15

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Solution

The fourth proportional to 269,872.38, 372,428.50 and 174,545.15 is: 240,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,872.38 : 372,428.50 = 174,545.15 : x
  2. Step 2: Convert to fraction form
    269,872.38/372,428.50 = 174,545.15/x
  3. Step 3: Cross multiply
    269,872.38x = 372,428.50 × 174,545.15
  4. Step 4: Simplify right side
    269,872.38x = 65,005,589,936.09
  5. Step 5: Solve for x
    x = 65,005,589,936.09/269,872.38
  6. Step 6: Final answer
    x = 240,875.30

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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.