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Finding the Fourth Proportional to 71,367.70, 107,051.55 and 50,631.70

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Solution

The fourth proportional to 71,367.70, 107,051.55 and 50,631.70 is: 75,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,367.70 : 107,051.55 = 50,631.70 : x
  2. Step 2: Convert to fraction form
    71,367.70/107,051.55 = 50,631.70/x
  3. Step 3: Cross multiply
    71,367.70x = 107,051.55 × 50,631.70
  4. Step 4: Simplify right side
    71,367.70x = 5,420,201,964.14
  5. Step 5: Solve for x
    x = 5,420,201,964.14/71,367.70
  6. Step 6: Final answer
    x = 75,947.55

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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.