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Finding the Fourth Proportional to 167,471.20, 251,206.80 and 148,808.80

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Solution

The fourth proportional to 167,471.20, 251,206.80 and 148,808.80 is: 223,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,471.20 : 251,206.80 = 148,808.80 : x
  2. Step 2: Convert to fraction form
    167,471.20/251,206.80 = 148,808.80/x
  3. Step 3: Cross multiply
    167,471.20x = 251,206.80 × 148,808.80
  4. Step 4: Simplify right side
    167,471.20x = 37,381,782,459.84
  5. Step 5: Solve for x
    x = 37,381,782,459.84/167,471.20
  6. Step 6: Final answer
    x = 223,213.20

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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.