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Finding the Fourth Proportional to 269,548.65, 371,975.13 and 148,687.13

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Solution

The fourth proportional to 269,548.65, 371,975.13 and 148,687.13 is: 205,187.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,548.65 : 371,975.13 = 148,687.13 : x
  2. Step 2: Convert to fraction form
    269,548.65/371,975.13 = 148,687.13/x
  3. Step 3: Cross multiply
    269,548.65x = 371,975.13 × 148,687.13
  4. Step 4: Simplify right side
    269,548.65x = 55,307,912,651.20
  5. Step 5: Solve for x
    x = 55,307,912,651.20/269,548.65
  6. Step 6: Final answer
    x = 205,187.13

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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.