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Finding the Fourth Proportional to 167,887.68, 251,919.01 and 74,371.56

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Solution

The fourth proportional to 167,887.68, 251,919.01 and 74,371.56 is: 111,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,887.68 : 251,919.01 = 74,371.56 : x
  2. Step 2: Convert to fraction form
    167,887.68/251,919.01 = 74,371.56/x
  3. Step 3: Cross multiply
    167,887.68x = 251,919.01 × 74,371.56
  4. Step 4: Simplify right side
    167,887.68x = 18,735,609,767.36
  5. Step 5: Solve for x
    x = 18,735,609,767.36/167,887.68
  6. Step 6: Final answer
    x = 111,596.10

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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.