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Finding the Fourth Proportional to 80,473.50, 111,053.43 and 52,179.39

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Solution

The fourth proportional to 80,473.50, 111,053.43 and 52,179.39 is: 72,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,473.50 : 111,053.43 = 52,179.39 : x
  2. Step 2: Convert to fraction form
    80,473.50/111,053.43 = 52,179.39/x
  3. Step 3: Cross multiply
    80,473.50x = 111,053.43 × 52,179.39
  4. Step 4: Simplify right side
    80,473.50x = 5,794,700,234.81
  5. Step 5: Solve for x
    x = 5,794,700,234.81/80,473.50
  6. Step 6: Final answer
    x = 72,007.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.