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Finding the Fourth Proportional to 79,799.88, 119,717.31 and 23,644.40

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Solution

The fourth proportional to 79,799.88, 119,717.31 and 23,644.40 is: 35,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,799.88 : 119,717.31 = 23,644.40 : x
  2. Step 2: Convert to fraction form
    79,799.88/119,717.31 = 23,644.40/x
  3. Step 3: Cross multiply
    79,799.88x = 119,717.31 × 23,644.40
  4. Step 4: Simplify right side
    79,799.88x = 2,830,643,247.76
  5. Step 5: Solve for x
    x = 2,830,643,247.76/79,799.88
  6. Step 6: Final answer
    x = 35,471.78

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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.