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Finding the Fourth Proportional to 167,437.40, 251,163.40 and 83,237.90

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Solution

The fourth proportional to 167,437.40, 251,163.40 and 83,237.90 is: 124,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,437.40 : 251,163.40 = 83,237.90 : x
  2. Step 2: Convert to fraction form
    167,437.40/251,163.40 = 83,237.90/x
  3. Step 3: Cross multiply
    167,437.40x = 251,163.40 × 83,237.90
  4. Step 4: Simplify right side
    167,437.40x = 20,906,313,972.86
  5. Step 5: Solve for x
    x = 20,906,313,972.86/167,437.40
  6. Step 6: Final answer
    x = 124,860.48

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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.