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Finding the Fourth Proportional to 120,883.48, 181,326.58 and 36,642.97

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Solution

The fourth proportional to 120,883.48, 181,326.58 and 36,642.97 is: 54,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,883.48 : 181,326.58 = 36,642.97 : x
  2. Step 2: Convert to fraction form
    120,883.48/181,326.58 = 36,642.97/x
  3. Step 3: Cross multiply
    120,883.48x = 181,326.58 × 36,642.97
  4. Step 4: Simplify right side
    120,883.48x = 6,644,344,431.14
  5. Step 5: Solve for x
    x = 6,644,344,431.14/120,883.48
  6. Step 6: Final answer
    x = 54,964.87

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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.