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Finding the Fourth Proportional to 88,874.33, 122,565.29 and 69,495.75

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Solution

The fourth proportional to 88,874.33, 122,565.29 and 69,495.75 is: 95,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,874.33 : 122,565.29 = 69,495.75 : x
  2. Step 2: Convert to fraction form
    88,874.33/122,565.29 = 69,495.75/x
  3. Step 3: Cross multiply
    88,874.33x = 122,565.29 × 69,495.75
  4. Step 4: Simplify right side
    88,874.33x = 8,517,766,405.04
  5. Step 5: Solve for x
    x = 8,517,766,405.04/88,874.33
  6. Step 6: Final answer
    x = 95,840.57

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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.