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Finding the Fourth Proportional to 80,039.64, 110,453.12 and 44,228.88

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Solution

The fourth proportional to 80,039.64, 110,453.12 and 44,228.88 is: 61,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,039.64 : 110,453.12 = 44,228.88 : x
  2. Step 2: Convert to fraction form
    80,039.64/110,453.12 = 44,228.88/x
  3. Step 3: Cross multiply
    80,039.64x = 110,453.12 × 44,228.88
  4. Step 4: Simplify right side
    80,039.64x = 4,885,217,790.11
  5. Step 5: Solve for x
    x = 4,885,217,790.11/80,039.64
  6. Step 6: Final answer
    x = 61,034.98

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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.