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Finding the Fourth Proportional to 100,826.92, 150,696.14 and 88,076.62

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Solution

The fourth proportional to 100,826.92, 150,696.14 and 88,076.62 is: 131,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,826.92 : 150,696.14 = 88,076.62 : x
  2. Step 2: Convert to fraction form
    100,826.92/150,696.14 = 88,076.62/x
  3. Step 3: Cross multiply
    100,826.92x = 150,696.14 × 88,076.62
  4. Step 4: Simplify right side
    100,826.92x = 13,272,806,658.25
  5. Step 5: Solve for x
    x = 13,272,806,658.25/100,826.92
  6. Step 6: Final answer
    x = 131,639.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.