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Finding the Fourth Proportional to 182,560.56, 251,930.72 and 101,989.20

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Solution

The fourth proportional to 182,560.56, 251,930.72 and 101,989.20 is: 140,743.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,560.56 : 251,930.72 = 101,989.20 : x
  2. Step 2: Convert to fraction form
    182,560.56/251,930.72 = 101,989.20/x
  3. Step 3: Cross multiply
    182,560.56x = 251,930.72 × 101,989.20
  4. Step 4: Simplify right side
    182,560.56x = 25,694,212,588.22
  5. Step 5: Solve for x
    x = 25,694,212,588.22/182,560.56
  6. Step 6: Final answer
    x = 140,743.50

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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.