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Finding the Fourth Proportional to 167,975, 251,960.96 and 68,111.46

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Solution

The fourth proportional to 167,975, 251,960.96 and 68,111.46 is: 102,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,975 : 251,960.96 = 68,111.46 : x
  2. Step 2: Convert to fraction form
    167,975/251,960.96 = 68,111.46/x
  3. Step 3: Cross multiply
    167,975x = 251,960.96 × 68,111.46
  4. Step 4: Simplify right side
    167,975x = 17,161,428,848.60
  5. Step 5: Solve for x
    x = 17,161,428,848.60/167,975
  6. Step 6: Final answer
    x = 102,166.57

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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.