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Finding the Fourth Proportional to 80,349.87, 110,881.05 and 44,539.57

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Solution

The fourth proportional to 80,349.87, 110,881.05 and 44,539.57 is: 61,463.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,349.87 : 110,881.05 = 44,539.57 : x
  2. Step 2: Convert to fraction form
    80,349.87/110,881.05 = 44,539.57/x
  3. Step 3: Cross multiply
    80,349.87x = 110,881.05 × 44,539.57
  4. Step 4: Simplify right side
    80,349.87x = 4,938,594,288.15
  5. Step 5: Solve for x
    x = 4,938,594,288.15/80,349.87
  6. Step 6: Final answer
    x = 61,463.63

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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.