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Finding the Fourth Proportional to 167,625.52, 251,384.80 and 55,284.72

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Solution

The fourth proportional to 167,625.52, 251,384.80 and 55,284.72 is: 82,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,625.52 : 251,384.80 = 55,284.72 : x
  2. Step 2: Convert to fraction form
    167,625.52/251,384.80 = 55,284.72/x
  3. Step 3: Cross multiply
    167,625.52x = 251,384.80 × 55,284.72
  4. Step 4: Simplify right side
    167,625.52x = 13,897,738,280.26
  5. Step 5: Solve for x
    x = 13,897,738,280.26/167,625.52
  6. Step 6: Final answer
    x = 82,909.44

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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.