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Finding the Fourth Proportional to 168,611.83, 252,934.56 and 48,671.69

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Solution

The fourth proportional to 168,611.83, 252,934.56 and 48,671.69 is: 73,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,611.83 : 252,934.56 = 48,671.69 : x
  2. Step 2: Convert to fraction form
    168,611.83/252,934.56 = 48,671.69/x
  3. Step 3: Cross multiply
    168,611.83x = 252,934.56 × 48,671.69
  4. Step 4: Simplify right side
    168,611.83x = 12,310,752,494.61
  5. Step 5: Solve for x
    x = 12,310,752,494.61/168,611.83
  6. Step 6: Final answer
    x = 73,012.39

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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.