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Finding the Fourth Proportional to 83,392.10, 125,003.10 and 41,207.30

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Solution

The fourth proportional to 83,392.10, 125,003.10 and 41,207.30 is: 61,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,392.10 : 125,003.10 = 41,207.30 : x
  2. Step 2: Convert to fraction form
    83,392.10/125,003.10 = 41,207.30/x
  3. Step 3: Cross multiply
    83,392.10x = 125,003.10 × 41,207.30
  4. Step 4: Simplify right side
    83,392.10x = 5,151,040,242.63
  5. Step 5: Solve for x
    x = 5,151,040,242.63/83,392.10
  6. Step 6: Final answer
    x = 61,768.92

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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.