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Finding the Fourth Proportional to 80,349.88, 110,881.06 and 44,539.56

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Solution

The fourth proportional to 80,349.88, 110,881.06 and 44,539.56 is: 61,463.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,349.88 : 110,881.06 = 44,539.56 : x
  2. Step 2: Convert to fraction form
    80,349.88/110,881.06 = 44,539.56/x
  3. Step 3: Cross multiply
    80,349.88x = 110,881.06 × 44,539.56
  4. Step 4: Simplify right side
    80,349.88x = 4,938,593,624.73
  5. Step 5: Solve for x
    x = 4,938,593,624.73/80,349.88
  6. Step 6: Final answer
    x = 61,463.61

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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.