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Finding the Fourth Proportional to 215,082.54, 296,734.59 and 130,168.62

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Solution

The fourth proportional to 215,082.54, 296,734.59 and 130,168.62 is: 179,584.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,082.54 : 296,734.59 = 130,168.62 : x
  2. Step 2: Convert to fraction form
    215,082.54/296,734.59 = 130,168.62/x
  3. Step 3: Cross multiply
    215,082.54x = 296,734.59 × 130,168.62
  4. Step 4: Simplify right side
    215,082.54x = 38,625,532,086.57
  5. Step 5: Solve for x
    x = 38,625,532,086.57/215,082.54
  6. Step 6: Final answer
    x = 179,584.69

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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.