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Finding the Fourth Proportional to 117,773.88, 176,560.98 and 51,163.80

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Solution

The fourth proportional to 117,773.88, 176,560.98 and 51,163.80 is: 76,702.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,773.88 : 176,560.98 = 51,163.80 : x
  2. Step 2: Convert to fraction form
    117,773.88/176,560.98 = 51,163.80/x
  3. Step 3: Cross multiply
    117,773.88x = 176,560.98 × 51,163.80
  4. Step 4: Simplify right side
    117,773.88x = 9,033,530,668.52
  5. Step 5: Solve for x
    x = 9,033,530,668.52/117,773.88
  6. Step 6: Final answer
    x = 76,702.33

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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.