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Finding the Fourth Proportional to 159,226.66, 238,724.16 and 80,396.92

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Solution

The fourth proportional to 159,226.66, 238,724.16 and 80,396.92 is: 120,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,226.66 : 238,724.16 = 80,396.92 : x
  2. Step 2: Convert to fraction form
    159,226.66/238,724.16 = 80,396.92/x
  3. Step 3: Cross multiply
    159,226.66x = 238,724.16 × 80,396.92
  4. Step 4: Simplify right side
    159,226.66x = 19,192,687,193.59
  5. Step 5: Solve for x
    x = 19,192,687,193.59/159,226.66
  6. Step 6: Final answer
    x = 120,536.89

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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.