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Finding the Fourth Proportional to 88,958.53, 122,761.73 and 48,671.83

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Solution

The fourth proportional to 88,958.53, 122,761.73 and 48,671.83 is: 67,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,958.53 : 122,761.73 = 48,671.83 : x
  2. Step 2: Convert to fraction form
    88,958.53/122,761.73 = 48,671.83/x
  3. Step 3: Cross multiply
    88,958.53x = 122,761.73 × 48,671.83
  4. Step 4: Simplify right side
    88,958.53x = 5,975,037,867.84
  5. Step 5: Solve for x
    x = 5,975,037,867.84/88,958.53
  6. Step 6: Final answer
    x = 67,166.56

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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.