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Finding the Fourth Proportional to 269,545.26, 371,965.89 and 148,683.90

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Solution

The fourth proportional to 269,545.26, 371,965.89 and 148,683.90 is: 205,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,545.26 : 371,965.89 = 148,683.90 : x
  2. Step 2: Convert to fraction form
    269,545.26/371,965.89 = 148,683.90/x
  3. Step 3: Cross multiply
    269,545.26x = 371,965.89 × 148,683.90
  4. Step 4: Simplify right side
    269,545.26x = 55,305,339,192.17
  5. Step 5: Solve for x
    x = 55,305,339,192.17/269,545.26
  6. Step 6: Final answer
    x = 205,180.16

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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.