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Finding the Fourth Proportional to 110,781.60, 166,053.02 and 53,734.71

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Solution

The fourth proportional to 110,781.60, 166,053.02 and 53,734.71 is: 80,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,781.60 : 166,053.02 = 53,734.71 : x
  2. Step 2: Convert to fraction form
    110,781.60/166,053.02 = 53,734.71/x
  3. Step 3: Cross multiply
    110,781.60x = 166,053.02 × 53,734.71
  4. Step 4: Simplify right side
    110,781.60x = 8,922,810,874.32
  5. Step 5: Solve for x
    x = 8,922,810,874.32/110,781.60
  6. Step 6: Final answer
    x = 80,544.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.