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Finding the Fourth Proportional to 89,034.66, 122,867.03 and 48,198.59

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Solution

The fourth proportional to 89,034.66, 122,867.03 and 48,198.59 is: 66,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,034.66 : 122,867.03 = 48,198.59 : x
  2. Step 2: Convert to fraction form
    89,034.66/122,867.03 = 48,198.59/x
  3. Step 3: Cross multiply
    89,034.66x = 122,867.03 × 48,198.59
  4. Step 4: Simplify right side
    89,034.66x = 5,922,016,748.16
  5. Step 5: Solve for x
    x = 5,922,016,748.16/89,034.66
  6. Step 6: Final answer
    x = 66,513.61

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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.