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Finding the Fourth Proportional to 122,394.27, 183,600.01 and 51,245.11

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Solution

The fourth proportional to 122,394.27, 183,600.01 and 51,245.11 is: 76,871.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,394.27 : 183,600.01 = 51,245.11 : x
  2. Step 2: Convert to fraction form
    122,394.27/183,600.01 = 51,245.11/x
  3. Step 3: Cross multiply
    122,394.27x = 183,600.01 × 51,245.11
  4. Step 4: Simplify right side
    122,394.27x = 9,408,601,790.45
  5. Step 5: Solve for x
    x = 9,408,601,790.45/122,394.27
  6. Step 6: Final answer
    x = 76,871.26

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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.