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Finding the Fourth Proportional to 80,378.96, 110,921.08 and 44,568.64

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Solution

The fourth proportional to 80,378.96, 110,921.08 and 44,568.64 is: 61,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,378.96 : 110,921.08 = 44,568.64 : x
  2. Step 2: Convert to fraction form
    80,378.96/110,921.08 = 44,568.64/x
  3. Step 3: Cross multiply
    80,378.96x = 110,921.08 × 44,568.64
  4. Step 4: Simplify right side
    80,378.96x = 4,943,601,682.93
  5. Step 5: Solve for x
    x = 4,943,601,682.93/80,378.96
  6. Step 6: Final answer
    x = 61,503.68

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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.