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Finding the Fourth Proportional to 275,722.16, 413,552.76 and 88,718

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Solution

The fourth proportional to 275,722.16, 413,552.76 and 88,718 is: 133,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,722.16 : 413,552.76 = 88,718 : x
  2. Step 2: Convert to fraction form
    275,722.16/413,552.76 = 88,718/x
  3. Step 3: Cross multiply
    275,722.16x = 413,552.76 × 88,718
  4. Step 4: Simplify right side
    275,722.16x = 36,689,573,761.68
  5. Step 5: Solve for x
    x = 36,689,573,761.68/275,722.16
  6. Step 6: Final answer
    x = 133,067.19

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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.