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Finding the Fourth Proportional to 122,610.48, 183,930.12 and 43,735.92

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Solution

The fourth proportional to 122,610.48, 183,930.12 and 43,735.92 is: 65,609.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,610.48 : 183,930.12 = 43,735.92 : x
  2. Step 2: Convert to fraction form
    122,610.48/183,930.12 = 43,735.92/x
  3. Step 3: Cross multiply
    122,610.48x = 183,930.12 × 43,735.92
  4. Step 4: Simplify right side
    122,610.48x = 8,044,353,013.91
  5. Step 5: Solve for x
    x = 8,044,353,013.91/122,610.48
  6. Step 6: Final answer
    x = 65,609.02

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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.