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Finding the Fourth Proportional to 88,788.76, 122,523.46 and 48,494.52

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Solution

The fourth proportional to 88,788.76, 122,523.46 and 48,494.52 is: 66,919.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,788.76 : 122,523.46 = 48,494.52 : x
  2. Step 2: Convert to fraction form
    88,788.76/122,523.46 = 48,494.52/x
  3. Step 3: Cross multiply
    88,788.76x = 122,523.46 × 48,494.52
  4. Step 4: Simplify right side
    88,788.76x = 5,941,716,381.44
  5. Step 5: Solve for x
    x = 5,941,716,381.44/88,788.76
  6. Step 6: Final answer
    x = 66,919.69

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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.