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Finding the Fourth Proportional to 80,221.92, 110,707.12 and 44,412.52

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Solution

The fourth proportional to 80,221.92, 110,707.12 and 44,412.52 is: 61,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,221.92 : 110,707.12 = 44,412.52 : x
  2. Step 2: Convert to fraction form
    80,221.92/110,707.12 = 44,412.52/x
  3. Step 3: Cross multiply
    80,221.92x = 110,707.12 × 44,412.52
  4. Step 4: Simplify right side
    80,221.92x = 4,916,782,181.14
  5. Step 5: Solve for x
    x = 4,916,782,181.14/80,221.92
  6. Step 6: Final answer
    x = 61,289.76

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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.