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Finding the Fourth Proportional to 101,494.27, 140,057.27 and 55,552.90

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Solution

The fourth proportional to 101,494.27, 140,057.27 and 55,552.90 is: 76,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,494.27 : 140,057.27 = 55,552.90 : x
  2. Step 2: Convert to fraction form
    101,494.27/140,057.27 = 55,552.90/x
  3. Step 3: Cross multiply
    101,494.27x = 140,057.27 × 55,552.90
  4. Step 4: Simplify right side
    101,494.27x = 7,780,587,514.58
  5. Step 5: Solve for x
    x = 7,780,587,514.58/101,494.27
  6. Step 6: Final answer
    x = 76,660.36

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1.5x scale

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.