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Finding the Fourth Proportional to 167,731.80, 251,524.80 and 55,368.60

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Solution

The fourth proportional to 167,731.80, 251,524.80 and 55,368.60 is: 83,028.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,731.80 : 251,524.80 = 55,368.60 : x
  2. Step 2: Convert to fraction form
    167,731.80/251,524.80 = 55,368.60/x
  3. Step 3: Cross multiply
    167,731.80x = 251,524.80 × 55,368.60
  4. Step 4: Simplify right side
    167,731.80x = 13,926,576,041.28
  5. Step 5: Solve for x
    x = 13,926,576,041.28/167,731.80
  6. Step 6: Final answer
    x = 83,028.84

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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.