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Finding the Fourth Proportional to 88,963.70, 122,772.86 and 48,676.58

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Solution

The fourth proportional to 88,963.70, 122,772.86 and 48,676.58 is: 67,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,963.70 : 122,772.86 = 48,676.58 : x
  2. Step 2: Convert to fraction form
    88,963.70/122,772.86 = 48,676.58/x
  3. Step 3: Cross multiply
    88,963.70x = 122,772.86 × 48,676.58
  4. Step 4: Simplify right side
    88,963.70x = 5,976,162,084.37
  5. Step 5: Solve for x
    x = 5,976,162,084.37/88,963.70
  6. Step 6: Final answer
    x = 67,175.29

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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.