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Finding the Fourth Proportional to 80,659.60, 111,309.87 and 44,847.47

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Solution

The fourth proportional to 80,659.60, 111,309.87 and 44,847.47 is: 61,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,659.60 : 111,309.87 = 44,847.47 : x
  2. Step 2: Convert to fraction form
    80,659.60/111,309.87 = 44,847.47/x
  3. Step 3: Cross multiply
    80,659.60x = 111,309.87 × 44,847.47
  4. Step 4: Simplify right side
    80,659.60x = 4,991,966,055.53
  5. Step 5: Solve for x
    x = 4,991,966,055.53/80,659.60
  6. Step 6: Final answer
    x = 61,889.30

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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.