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Finding the Fourth Proportional to 179,082.40, 268,623.60 and 159,728.80

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Solution

The fourth proportional to 179,082.40, 268,623.60 and 159,728.80 is: 239,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,082.40 : 268,623.60 = 159,728.80 : x
  2. Step 2: Convert to fraction form
    179,082.40/268,623.60 = 159,728.80/x
  3. Step 3: Cross multiply
    179,082.40x = 268,623.60 × 159,728.80
  4. Step 4: Simplify right side
    179,082.40x = 42,906,925,279.68
  5. Step 5: Solve for x
    x = 42,906,925,279.68/179,082.40
  6. Step 6: Final answer
    x = 239,593.20

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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.