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Finding the Fourth Proportional to 182,449.70, 251,778.20 and 101,878.60

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Solution

The fourth proportional to 182,449.70, 251,778.20 and 101,878.60 is: 140,591.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,449.70 : 251,778.20 = 101,878.60 : x
  2. Step 2: Convert to fraction form
    182,449.70/251,778.20 = 101,878.60/x
  3. Step 3: Cross multiply
    182,449.70x = 251,778.20 × 101,878.60
  4. Step 4: Simplify right side
    182,449.70x = 25,650,810,526.52
  5. Step 5: Solve for x
    x = 25,650,810,526.52/182,449.70
  6. Step 6: Final answer
    x = 140,591.14

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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.