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Finding the Fourth Proportional to 275,696.10, 413,616.15 and 88,712.10

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Solution

The fourth proportional to 275,696.10, 413,616.15 and 88,712.10 is: 133,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,696.10 : 413,616.15 = 88,712.10 : x
  2. Step 2: Convert to fraction form
    275,696.10/413,616.15 = 88,712.10/x
  3. Step 3: Cross multiply
    275,696.10x = 413,616.15 × 88,712.10
  4. Step 4: Simplify right side
    275,696.10x = 36,692,757,260.42
  5. Step 5: Solve for x
    x = 36,692,757,260.42/275,696.10
  6. Step 6: Final answer
    x = 133,091.32

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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.