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Finding the Fourth Proportional to 120,149.06, 180,250.92 and 63,959.56

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Solution

The fourth proportional to 120,149.06, 180,250.92 and 63,959.56 is: 95,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,149.06 : 180,250.92 = 63,959.56 : x
  2. Step 2: Convert to fraction form
    120,149.06/180,250.92 = 63,959.56/x
  3. Step 3: Cross multiply
    120,149.06x = 180,250.92 × 63,959.56
  4. Step 4: Simplify right side
    120,149.06x = 11,528,769,082.17
  5. Step 5: Solve for x
    x = 11,528,769,082.17/120,149.06
  6. Step 6: Final answer
    x = 95,953.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.