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Finding the Fourth Proportional to 88,766.67, 122,498.70 and 48,479.70

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Solution

The fourth proportional to 88,766.67, 122,498.70 and 48,479.70 is: 66,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,766.67 : 122,498.70 = 48,479.70 : x
  2. Step 2: Convert to fraction form
    88,766.67/122,498.70 = 48,479.70/x
  3. Step 3: Cross multiply
    88,766.67x = 122,498.70 × 48,479.70
  4. Step 4: Simplify right side
    88,766.67x = 5,938,700,226.39
  5. Step 5: Solve for x
    x = 5,938,700,226.39/88,766.67
  6. Step 6: Final answer
    x = 66,902.37

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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.