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Finding the Fourth Proportional to 167,225.35, 250,876.35 and 72,471.45

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Solution

The fourth proportional to 167,225.35, 250,876.35 and 72,471.45 is: 108,723.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,225.35 : 250,876.35 = 72,471.45 : x
  2. Step 2: Convert to fraction form
    167,225.35/250,876.35 = 72,471.45/x
  3. Step 3: Cross multiply
    167,225.35x = 250,876.35 × 72,471.45
  4. Step 4: Simplify right side
    167,225.35x = 18,181,372,855.21
  5. Step 5: Solve for x
    x = 18,181,372,855.21/167,225.35
  6. Step 6: Final answer
    x = 108,723.78

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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.