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Finding the Fourth Proportional to 71,449.34, 107,198.02 and 50,124.28

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Solution

The fourth proportional to 71,449.34, 107,198.02 and 50,124.28 is: 75,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,449.34 : 107,198.02 = 50,124.28 : x
  2. Step 2: Convert to fraction form
    71,449.34/107,198.02 = 50,124.28/x
  3. Step 3: Cross multiply
    71,449.34x = 107,198.02 × 50,124.28
  4. Step 4: Simplify right side
    71,449.34x = 5,373,223,569.93
  5. Step 5: Solve for x
    x = 5,373,223,569.93/71,449.34
  6. Step 6: Final answer
    x = 75,203.26

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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.