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Finding the Fourth Proportional to 167,253.72, 230,918.22 and 103,659

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Solution

The fourth proportional to 167,253.72, 230,918.22 and 103,659 is: 143,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,253.72 : 230,918.22 = 103,659 : x
  2. Step 2: Convert to fraction form
    167,253.72/230,918.22 = 103,659/x
  3. Step 3: Cross multiply
    167,253.72x = 230,918.22 × 103,659
  4. Step 4: Simplify right side
    167,253.72x = 23,936,751,766.98
  5. Step 5: Solve for x
    x = 23,936,751,766.98/167,253.72
  6. Step 6: Final answer
    x = 143,116.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.