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Finding the Fourth Proportional to 167,401.17, 251,073.99 and 55,082.79

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Solution

The fourth proportional to 167,401.17, 251,073.99 and 55,082.79 is: 82,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,401.17 : 251,073.99 = 55,082.79 : x
  2. Step 2: Convert to fraction form
    167,401.17/251,073.99 = 55,082.79/x
  3. Step 3: Cross multiply
    167,401.17x = 251,073.99 × 55,082.79
  4. Step 4: Simplify right side
    167,401.17x = 13,829,855,865.63
  5. Step 5: Solve for x
    x = 13,829,855,865.63/167,401.17
  6. Step 6: Final answer
    x = 82,615.05

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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.