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Finding the Fourth Proportional to 80,398.15, 110,956.25 and 44,599.69

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Solution

The fourth proportional to 80,398.15, 110,956.25 and 44,599.69 is: 61,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,398.15 : 110,956.25 = 44,599.69 : x
  2. Step 2: Convert to fraction form
    80,398.15/110,956.25 = 44,599.69/x
  3. Step 3: Cross multiply
    80,398.15x = 110,956.25 × 44,599.69
  4. Step 4: Simplify right side
    80,398.15x = 4,948,614,187.67
  5. Step 5: Solve for x
    x = 4,948,614,187.67/80,398.15
  6. Step 6: Final answer
    x = 61,551.35

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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.