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Finding the Fourth Proportional to 110,540, 152,546.28 and 60,240.08

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Solution

The fourth proportional to 110,540, 152,546.28 and 60,240.08 is: 83,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,540 : 152,546.28 = 60,240.08 : x
  2. Step 2: Convert to fraction form
    110,540/152,546.28 = 60,240.08/x
  3. Step 3: Cross multiply
    110,540x = 152,546.28 × 60,240.08
  4. Step 4: Simplify right side
    110,540x = 9,189,400,110.90
  5. Step 5: Solve for x
    x = 9,189,400,110.90/110,540
  6. Step 6: Final answer
    x = 83,131.90

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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.