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Finding the Fourth Proportional to 167,840.88, 251,759 and 68,000.24

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Solution

The fourth proportional to 167,840.88, 251,759 and 68,000.24 is: 101,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,840.88 : 251,759 = 68,000.24 : x
  2. Step 2: Convert to fraction form
    167,840.88/251,759 = 68,000.24/x
  3. Step 3: Cross multiply
    167,840.88x = 251,759 × 68,000.24
  4. Step 4: Simplify right side
    167,840.88x = 17,119,672,422.16
  5. Step 5: Solve for x
    x = 17,119,672,422.16/167,840.88
  6. Step 6: Final answer
    x = 101,999.42

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1.5x scale

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.