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Finding the Fourth Proportional to 88,958.48, 122,761.59 and 48,671.66

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Solution

The fourth proportional to 88,958.48, 122,761.59 and 48,671.66 is: 67,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,958.48 : 122,761.59 = 48,671.66 : x
  2. Step 2: Convert to fraction form
    88,958.48/122,761.59 = 48,671.66/x
  3. Step 3: Cross multiply
    88,958.48x = 122,761.59 × 48,671.66
  4. Step 4: Simplify right side
    88,958.48x = 5,975,009,755.73
  5. Step 5: Solve for x
    x = 5,975,009,755.73/88,958.48
  6. Step 6: Final answer
    x = 67,166.28

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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.