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Finding the Fourth Proportional to 123,481.96, 185,469.10 and 116,518.92

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Solution

The fourth proportional to 123,481.96, 185,469.10 and 116,518.92 is: 175,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,481.96 : 185,469.10 = 116,518.92 : x
  2. Step 2: Convert to fraction form
    123,481.96/185,469.10 = 116,518.92/x
  3. Step 3: Cross multiply
    123,481.96x = 185,469.10 × 116,518.92
  4. Step 4: Simplify right side
    123,481.96x = 21,610,659,225.37
  5. Step 5: Solve for x
    x = 21,610,659,225.37/123,481.96
  6. Step 6: Final answer
    x = 175,010.66

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1.5x scale

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.