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Finding the Fourth Proportional to 109,954.20, 164,921.70 and 36,082.20

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Solution

The fourth proportional to 109,954.20, 164,921.70 and 36,082.20 is: 54,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,954.20 : 164,921.70 = 36,082.20 : x
  2. Step 2: Convert to fraction form
    109,954.20/164,921.70 = 36,082.20/x
  3. Step 3: Cross multiply
    109,954.20x = 164,921.70 × 36,082.20
  4. Step 4: Simplify right side
    109,954.20x = 5,950,737,763.74
  5. Step 5: Solve for x
    x = 5,950,737,763.74/109,954.20
  6. Step 6: Final answer
    x = 54,120.15

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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.