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Finding the Fourth Proportional to 119,481.66, 164,883.44 and 65,765.52

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Solution

The fourth proportional to 119,481.66, 164,883.44 and 65,765.52 is: 90,755.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,481.66 : 164,883.44 = 65,765.52 : x
  2. Step 2: Convert to fraction form
    119,481.66/164,883.44 = 65,765.52/x
  3. Step 3: Cross multiply
    119,481.66x = 164,883.44 × 65,765.52
  4. Step 4: Simplify right side
    119,481.66x = 10,843,644,842.16
  5. Step 5: Solve for x
    x = 10,843,644,842.16/119,481.66
  6. Step 6: Final answer
    x = 90,755.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.