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Finding the Fourth Proportional to 79,908.26, 119,820.67 and 23,740.63

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Solution

The fourth proportional to 79,908.26, 119,820.67 and 23,740.63 is: 35,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,908.26 : 119,820.67 = 23,740.63 : x
  2. Step 2: Convert to fraction form
    79,908.26/119,820.67 = 23,740.63/x
  3. Step 3: Cross multiply
    79,908.26x = 119,820.67 × 23,740.63
  4. Step 4: Simplify right side
    79,908.26x = 2,844,617,833.92
  5. Step 5: Solve for x
    x = 2,844,617,833.92/79,908.26
  6. Step 6: Final answer
    x = 35,598.55

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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.