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Finding the Fourth Proportional to 269,469, 371,862.22 and 148,621.52

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Solution

The fourth proportional to 269,469, 371,862.22 and 148,621.52 is: 205,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,469 : 371,862.22 = 148,621.52 : x
  2. Step 2: Convert to fraction form
    269,469/371,862.22 = 148,621.52/x
  3. Step 3: Cross multiply
    269,469x = 371,862.22 × 148,621.52
  4. Step 4: Simplify right side
    269,469x = 55,266,728,366.97
  5. Step 5: Solve for x
    x = 55,266,728,366.97/269,469
  6. Step 6: Final answer
    x = 205,094.94

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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.