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Finding the Fourth Proportional to 239,571.62, 359,279.69 and 79,604.60

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Solution

The fourth proportional to 239,571.62, 359,279.69 and 79,604.60 is: 119,381.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,571.62 : 359,279.69 = 79,604.60 : x
  2. Step 2: Convert to fraction form
    239,571.62/359,279.69 = 79,604.60/x
  3. Step 3: Cross multiply
    239,571.62x = 359,279.69 × 79,604.60
  4. Step 4: Simplify right side
    239,571.62x = 28,600,313,816.15
  5. Step 5: Solve for x
    x = 28,600,313,816.15/239,571.62
  6. Step 6: Final answer
    x = 119,381.06

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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.