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Finding the Fourth Proportional to 292,787.97, 404,044.04 and 158,651.97

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Solution

The fourth proportional to 292,787.97, 404,044.04 and 158,651.97 is: 218,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,787.97 : 404,044.04 = 158,651.97 : x
  2. Step 2: Convert to fraction form
    292,787.97/404,044.04 = 158,651.97/x
  3. Step 3: Cross multiply
    292,787.97x = 404,044.04 × 158,651.97
  4. Step 4: Simplify right side
    292,787.97x = 64,102,382,119.50
  5. Step 5: Solve for x
    x = 64,102,382,119.50/292,787.97
  6. Step 6: Final answer
    x = 218,937.90

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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.