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Finding the Fourth Proportional to 71,329.20, 107,224.20 and 50,695.60

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Solution

The fourth proportional to 71,329.20, 107,224.20 and 50,695.60 is: 76,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,329.20 : 107,224.20 = 50,695.60 : x
  2. Step 2: Convert to fraction form
    71,329.20/107,224.20 = 50,695.60/x
  3. Step 3: Cross multiply
    71,329.20x = 107,224.20 × 50,695.60
  4. Step 4: Simplify right side
    71,329.20x = 5,435,795,153.52
  5. Step 5: Solve for x
    x = 5,435,795,153.52/71,329.20
  6. Step 6: Final answer
    x = 76,207.15

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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.