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Finding the Fourth Proportional to 79,282.92, 118,941.87 and 23,127.42

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Solution

The fourth proportional to 79,282.92, 118,941.87 and 23,127.42 is: 34,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,282.92 : 118,941.87 = 23,127.42 : x
  2. Step 2: Convert to fraction form
    79,282.92/118,941.87 = 23,127.42/x
  3. Step 3: Cross multiply
    79,282.92x = 118,941.87 × 23,127.42
  4. Step 4: Simplify right side
    79,282.92x = 2,750,819,115.84
  5. Step 5: Solve for x
    x = 2,750,819,115.84/79,282.92
  6. Step 6: Final answer
    x = 34,696.24

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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.