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Finding the Fourth Proportional to 269,474.97, 371,870.55 and 148,627.47

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Solution

The fourth proportional to 269,474.97, 371,870.55 and 148,627.47 is: 205,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,474.97 : 371,870.55 = 148,627.47 : x
  2. Step 2: Convert to fraction form
    269,474.97/371,870.55 = 148,627.47/x
  3. Step 3: Cross multiply
    269,474.97x = 371,870.55 × 148,627.47
  4. Step 4: Simplify right side
    269,474.97x = 55,270,179,014.01
  5. Step 5: Solve for x
    x = 55,270,179,014.01/269,474.97
  6. Step 6: Final answer
    x = 205,103.20

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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.