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Finding the Fourth Proportional to 167,818.97, 251,493.33 and 83,499.20

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Solution

The fourth proportional to 167,818.97, 251,493.33 and 83,499.20 is: 125,131.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,818.97 : 251,493.33 = 83,499.20 : x
  2. Step 2: Convert to fraction form
    167,818.97/251,493.33 = 83,499.20/x
  3. Step 3: Cross multiply
    167,818.97x = 251,493.33 × 83,499.20
  4. Step 4: Simplify right side
    167,818.97x = 20,999,491,860.34
  5. Step 5: Solve for x
    x = 20,999,491,860.34/167,818.97
  6. Step 6: Final answer
    x = 125,131.81

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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.