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Finding the Fourth Proportional to 80,803.64, 111,502.92 and 44,986.76

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Solution

The fourth proportional to 80,803.64, 111,502.92 and 44,986.76 is: 62,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,803.64 : 111,502.92 = 44,986.76 : x
  2. Step 2: Convert to fraction form
    80,803.64/111,502.92 = 44,986.76/x
  3. Step 3: Cross multiply
    80,803.64x = 111,502.92 × 44,986.76
  4. Step 4: Simplify right side
    80,803.64x = 5,016,155,101.34
  5. Step 5: Solve for x
    x = 5,016,155,101.34/80,803.64
  6. Step 6: Final answer
    x = 62,078.33

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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.