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Finding the Fourth Proportional to 101,512.73, 152,258.15 and 26,640.38

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Solution

The fourth proportional to 101,512.73, 152,258.15 and 26,640.38 is: 39,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,512.73 : 152,258.15 = 26,640.38 : x
  2. Step 2: Convert to fraction form
    101,512.73/152,258.15 = 26,640.38/x
  3. Step 3: Cross multiply
    101,512.73x = 152,258.15 × 26,640.38
  4. Step 4: Simplify right side
    101,512.73x = 4,056,214,212.81
  5. Step 5: Solve for x
    x = 4,056,214,212.81/101,512.73
  6. Step 6: Final answer
    x = 39,957.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.