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Finding the Fourth Proportional to 269,377.76, 403,979.16 and 127,201.04

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Solution

The fourth proportional to 269,377.76, 403,979.16 and 127,201.04 is: 190,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,377.76 : 403,979.16 = 127,201.04 : x
  2. Step 2: Convert to fraction form
    269,377.76/403,979.16 = 127,201.04/x
  3. Step 3: Cross multiply
    269,377.76x = 403,979.16 × 127,201.04
  4. Step 4: Simplify right side
    269,377.76x = 51,386,569,290.33
  5. Step 5: Solve for x
    x = 51,386,569,290.33/269,377.76
  6. Step 6: Final answer
    x = 190,760.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.