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Finding the Fourth Proportional to 167,858.28, 251,723.70 and 55,504.80

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Solution

The fourth proportional to 167,858.28, 251,723.70 and 55,504.80 is: 83,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,858.28 : 251,723.70 = 55,504.80 : x
  2. Step 2: Convert to fraction form
    167,858.28/251,723.70 = 55,504.80/x
  3. Step 3: Cross multiply
    167,858.28x = 251,723.70 × 55,504.80
  4. Step 4: Simplify right side
    167,858.28x = 13,971,873,623.76
  5. Step 5: Solve for x
    x = 13,971,873,623.76/167,858.28
  6. Step 6: Final answer
    x = 83,236.13

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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.