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Finding the Fourth Proportional to 211,249.44, 316,926.14 and 61,491.11

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Solution

The fourth proportional to 211,249.44, 316,926.14 and 61,491.11 is: 92,251.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,249.44 : 316,926.14 = 61,491.11 : x
  2. Step 2: Convert to fraction form
    211,249.44/316,926.14 = 61,491.11/x
  3. Step 3: Cross multiply
    211,249.44x = 316,926.14 × 61,491.11
  4. Step 4: Simplify right side
    211,249.44x = 19,488,138,244.53
  5. Step 5: Solve for x
    x = 19,488,138,244.53/211,249.44
  6. Step 6: Final answer
    x = 92,251.79

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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.