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Finding the Fourth Proportional to 121,067.94, 181,631.03 and 37,961.94

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Solution

The fourth proportional to 121,067.94, 181,631.03 and 37,961.94 is: 56,952.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,067.94 : 181,631.03 = 37,961.94 : x
  2. Step 2: Convert to fraction form
    121,067.94/181,631.03 = 37,961.94/x
  3. Step 3: Cross multiply
    121,067.94x = 181,631.03 × 37,961.94
  4. Step 4: Simplify right side
    121,067.94x = 6,895,066,073.19
  5. Step 5: Solve for x
    x = 6,895,066,073.19/121,067.94
  6. Step 6: Final answer
    x = 56,952.04

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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.