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Finding the Fourth Proportional to 80,219.54, 110,703.84 and 44,410.15

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Solution

The fourth proportional to 80,219.54, 110,703.84 and 44,410.15 is: 61,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,219.54 : 110,703.84 = 44,410.15 : x
  2. Step 2: Convert to fraction form
    80,219.54/110,703.84 = 44,410.15/x
  3. Step 3: Cross multiply
    80,219.54x = 110,703.84 × 44,410.15
  4. Step 4: Simplify right side
    80,219.54x = 4,916,374,139.98
  5. Step 5: Solve for x
    x = 4,916,374,139.98/80,219.54
  6. Step 6: Final answer
    x = 61,286.49

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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.