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Finding the Fourth Proportional to 269,127, 371,395.26 and 149,895

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Solution

The fourth proportional to 269,127, 371,395.26 and 149,895 is: 206,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,127 : 371,395.26 = 149,895 : x
  2. Step 2: Convert to fraction form
    269,127/371,395.26 = 149,895/x
  3. Step 3: Cross multiply
    269,127x = 371,395.26 × 149,895
  4. Step 4: Simplify right side
    269,127x = 55,670,292,497.70
  5. Step 5: Solve for x
    x = 55,670,292,497.70/269,127
  6. Step 6: Final answer
    x = 206,855.10

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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.