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Finding the Fourth Proportional to 269,348.16, 371,702.87 and 148,493.71

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Solution

The fourth proportional to 269,348.16, 371,702.87 and 148,493.71 is: 204,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,348.16 : 371,702.87 = 148,493.71 : x
  2. Step 2: Convert to fraction form
    269,348.16/371,702.87 = 148,493.71/x
  3. Step 3: Cross multiply
    269,348.16x = 371,702.87 × 148,493.71
  4. Step 4: Simplify right side
    269,348.16x = 55,195,538,183.95
  5. Step 5: Solve for x
    x = 55,195,538,183.95/269,348.16
  6. Step 6: Final answer
    x = 204,922.65

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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.