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Finding the Fourth Proportional to 87,093.84, 120,194.22 and 48,865.48

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Solution

The fourth proportional to 87,093.84, 120,194.22 and 48,865.48 is: 67,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,093.84 : 120,194.22 = 48,865.48 : x
  2. Step 2: Convert to fraction form
    87,093.84/120,194.22 = 48,865.48/x
  3. Step 3: Cross multiply
    87,093.84x = 120,194.22 × 48,865.48
  4. Step 4: Simplify right side
    87,093.84x = 5,873,348,253.53
  5. Step 5: Solve for x
    x = 5,873,348,253.53/87,093.84
  6. Step 6: Final answer
    x = 67,437.01

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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.