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Finding the Fourth Proportional to 87,097.58, 120,195.94 and 48,865.58

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Solution

The fourth proportional to 87,097.58, 120,195.94 and 48,865.58 is: 67,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,097.58 : 120,195.94 = 48,865.58 : x
  2. Step 2: Convert to fraction form
    87,097.58/120,195.94 = 48,865.58/x
  3. Step 3: Cross multiply
    87,097.58x = 120,195.94 × 48,865.58
  4. Step 4: Simplify right side
    87,097.58x = 5,873,444,321.75
  5. Step 5: Solve for x
    x = 5,873,444,321.75/87,097.58
  6. Step 6: Final answer
    x = 67,435.22

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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.