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Finding the Fourth Proportional to 88,825, 122,578.52 and 49,081

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Solution

The fourth proportional to 88,825, 122,578.52 and 49,081 is: 67,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,825 : 122,578.52 = 49,081 : x
  2. Step 2: Convert to fraction form
    88,825/122,578.52 = 49,081/x
  3. Step 3: Cross multiply
    88,825x = 122,578.52 × 49,081
  4. Step 4: Simplify right side
    88,825x = 6,016,276,340.12
  5. Step 5: Solve for x
    x = 6,016,276,340.12/88,825
  6. Step 6: Final answer
    x = 67,731.79

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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.