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Finding the Fourth Proportional to 167,918.67, 251,878.05 and 55,568.70

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Solution

The fourth proportional to 167,918.67, 251,878.05 and 55,568.70 is: 83,353.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,918.67 : 251,878.05 = 55,568.70 : x
  2. Step 2: Convert to fraction form
    167,918.67/251,878.05 = 55,568.70/x
  3. Step 3: Cross multiply
    167,918.67x = 251,878.05 × 55,568.70
  4. Step 4: Simplify right side
    167,918.67x = 13,996,535,797.04
  5. Step 5: Solve for x
    x = 13,996,535,797.04/167,918.67
  6. Step 6: Final answer
    x = 83,353.06

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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.