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Finding the Fourth Proportional to 101,726.44, 140,294.08 and 80,468.44

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Solution

The fourth proportional to 101,726.44, 140,294.08 and 80,468.44 is: 110,976.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,726.44 : 140,294.08 = 80,468.44 : x
  2. Step 2: Convert to fraction form
    101,726.44/140,294.08 = 80,468.44/x
  3. Step 3: Cross multiply
    101,726.44x = 140,294.08 × 80,468.44
  4. Step 4: Simplify right side
    101,726.44x = 11,289,245,758.84
  5. Step 5: Solve for x
    x = 11,289,245,758.84/101,726.44
  6. Step 6: Final answer
    x = 110,976.51

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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.