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Finding the Fourth Proportional to 122,605.50, 182,835.33 and 121,484.44

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Solution

The fourth proportional to 122,605.50, 182,835.33 and 121,484.44 is: 181,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,605.50 : 182,835.33 = 121,484.44 : x
  2. Step 2: Convert to fraction form
    122,605.50/182,835.33 = 121,484.44/x
  3. Step 3: Cross multiply
    122,605.50x = 182,835.33 × 121,484.44
  4. Step 4: Simplify right side
    122,605.50x = 22,211,647,677.27
  5. Step 5: Solve for x
    x = 22,211,647,677.27/122,605.50
  6. Step 6: Final answer
    x = 181,163.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.