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Finding the Fourth Proportional to 167,367.02, 250,860.72 and 83,021.72

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Solution

The fourth proportional to 167,367.02, 250,860.72 and 83,021.72 is: 124,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,367.02 : 250,860.72 = 83,021.72 : x
  2. Step 2: Convert to fraction form
    167,367.02/250,860.72 = 83,021.72/x
  3. Step 3: Cross multiply
    167,367.02x = 250,860.72 × 83,021.72
  4. Step 4: Simplify right side
    167,367.02x = 20,826,888,454.84
  5. Step 5: Solve for x
    x = 20,826,888,454.84/167,367.02
  6. Step 6: Final answer
    x = 124,438.43

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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.