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Finding the Fourth Proportional to 84,472.25, 126,693.78 and 25,292.03

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Solution

The fourth proportional to 84,472.25, 126,693.78 and 25,292.03 is: 37,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,472.25 : 126,693.78 = 25,292.03 : x
  2. Step 2: Convert to fraction form
    84,472.25/126,693.78 = 25,292.03/x
  3. Step 3: Cross multiply
    84,472.25x = 126,693.78 × 25,292.03
  4. Step 4: Simplify right side
    84,472.25x = 3,204,342,156.26
  5. Step 5: Solve for x
    x = 3,204,342,156.26/84,472.25
  6. Step 6: Final answer
    x = 37,933.67

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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.