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Finding the Fourth Proportional to 89,081.64, 122,932.66 and 48,797.92

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Solution

The fourth proportional to 89,081.64, 122,932.66 and 48,797.92 is: 67,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,081.64 : 122,932.66 = 48,797.92 : x
  2. Step 2: Convert to fraction form
    89,081.64/122,932.66 = 48,797.92/x
  3. Step 3: Cross multiply
    89,081.64x = 122,932.66 × 48,797.92
  4. Step 4: Simplify right side
    89,081.64x = 5,998,858,108.07
  5. Step 5: Solve for x
    x = 5,998,858,108.07/89,081.64
  6. Step 6: Final answer
    x = 67,341.13

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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.