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Finding the Fourth Proportional to 79,838.88, 119,772.42 and 26,534.04

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Solution

The fourth proportional to 79,838.88, 119,772.42 and 26,534.04 is: 39,805.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,838.88 : 119,772.42 = 26,534.04 : x
  2. Step 2: Convert to fraction form
    79,838.88/119,772.42 = 26,534.04/x
  3. Step 3: Cross multiply
    79,838.88x = 119,772.42 × 26,534.04
  4. Step 4: Simplify right side
    79,838.88x = 3,178,046,183.18
  5. Step 5: Solve for x
    x = 3,178,046,183.18/79,838.88
  6. Step 6: Final answer
    x = 39,805.75

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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.