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Finding the Fourth Proportional to 84,503.55, 126,748.73 and 22,172.43

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Solution

The fourth proportional to 84,503.55, 126,748.73 and 22,172.43 is: 33,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,503.55 : 126,748.73 = 22,172.43 : x
  2. Step 2: Convert to fraction form
    84,503.55/126,748.73 = 22,172.43/x
  3. Step 3: Cross multiply
    84,503.55x = 126,748.73 × 22,172.43
  4. Step 4: Simplify right side
    84,503.55x = 2,810,327,232.65
  5. Step 5: Solve for x
    x = 2,810,327,232.65/84,503.55
  6. Step 6: Final answer
    x = 33,256.91

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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.