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Finding the Fourth Proportional to 167,662.80, 251,421.30 and 55,299.60

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Solution

The fourth proportional to 167,662.80, 251,421.30 and 55,299.60 is: 82,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,662.80 : 251,421.30 = 55,299.60 : x
  2. Step 2: Convert to fraction form
    167,662.80/251,421.30 = 55,299.60/x
  3. Step 3: Cross multiply
    167,662.80x = 251,421.30 × 55,299.60
  4. Step 4: Simplify right side
    167,662.80x = 13,903,497,321.48
  5. Step 5: Solve for x
    x = 13,903,497,321.48/167,662.80
  6. Step 6: Final answer
    x = 82,925.36

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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.