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Finding the Fourth Proportional to 167,601.43, 251,401.53 and 67,760.43

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Solution

The fourth proportional to 167,601.43, 251,401.53 and 67,760.43 is: 101,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,601.43 : 251,401.53 = 67,760.43 : x
  2. Step 2: Convert to fraction form
    167,601.43/251,401.53 = 67,760.43/x
  3. Step 3: Cross multiply
    167,601.43x = 251,401.53 × 67,760.43
  4. Step 4: Simplify right side
    167,601.43x = 17,035,075,775.46
  5. Step 5: Solve for x
    x = 17,035,075,775.46/167,601.43
  6. Step 6: Final answer
    x = 101,640.40

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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.