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Finding the Fourth Proportional to 79,881.63, 119,801.90 and 23,708.43

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Solution

The fourth proportional to 79,881.63, 119,801.90 and 23,708.43 is: 35,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,881.63 : 119,801.90 = 23,708.43 : x
  2. Step 2: Convert to fraction form
    79,881.63/119,801.90 = 23,708.43/x
  3. Step 3: Cross multiply
    79,881.63x = 119,801.90 × 23,708.43
  4. Step 4: Simplify right side
    79,881.63x = 2,840,314,841.47
  5. Step 5: Solve for x
    x = 2,840,314,841.47/79,881.63
  6. Step 6: Final answer
    x = 35,556.55

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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.