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Finding the Fourth Proportional to 239,344.70, 359,079.21 and 89,596.76

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Solution

The fourth proportional to 239,344.70, 359,079.21 and 89,596.76 is: 134,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,344.70 : 359,079.21 = 89,596.76 : x
  2. Step 2: Convert to fraction form
    239,344.70/359,079.21 = 89,596.76/x
  3. Step 3: Cross multiply
    239,344.70x = 359,079.21 × 89,596.76
  4. Step 4: Simplify right side
    239,344.70x = 32,172,332,003.96
  5. Step 5: Solve for x
    x = 32,172,332,003.96/239,344.70
  6. Step 6: Final answer
    x = 134,418.40

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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.