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Finding the Fourth Proportional to 100,671.36, 151,006.08 and 26,799.36

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Solution

The fourth proportional to 100,671.36, 151,006.08 and 26,799.36 is: 40,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,671.36 : 151,006.08 = 26,799.36 : x
  2. Step 2: Convert to fraction form
    100,671.36/151,006.08 = 26,799.36/x
  3. Step 3: Cross multiply
    100,671.36x = 151,006.08 × 26,799.36
  4. Step 4: Simplify right side
    100,671.36x = 4,046,866,300.11
  5. Step 5: Solve for x
    x = 4,046,866,300.11/100,671.36
  6. Step 6: Final answer
    x = 40,198.78

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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.