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Finding the Fourth Proportional to 80,871.00, 111,600.49 and 45,060.24

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Solution

The fourth proportional to 80,871.00, 111,600.49 and 45,060.24 is: 62,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,871.00 : 111,600.49 = 45,060.24 : x
  2. Step 2: Convert to fraction form
    80,871.00/111,600.49 = 45,060.24/x
  3. Step 3: Cross multiply
    80,871.00x = 111,600.49 × 45,060.24
  4. Step 4: Simplify right side
    80,871.00x = 5,028,744,080.21
  5. Step 5: Solve for x
    x = 5,028,744,080.21/80,871.00
  6. Step 6: Final answer
    x = 62,182.30

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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.