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Finding the Fourth Proportional to 111,058.92, 153,265 and 60,757.92

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Solution

The fourth proportional to 111,058.92, 153,265 and 60,757.92 is: 83,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,058.92 : 153,265 = 60,757.92 : x
  2. Step 2: Convert to fraction form
    111,058.92/153,265 = 60,757.92/x
  3. Step 3: Cross multiply
    111,058.92x = 153,265 × 60,757.92
  4. Step 4: Simplify right side
    111,058.92x = 9,312,062,608.80
  5. Step 5: Solve for x
    x = 9,312,062,608.80/111,058.92
  6. Step 6: Final answer
    x = 83,847.95

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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.