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Finding the Fourth Proportional to 181,797.81, 272,709.15 and 61,805.91

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Solution

The fourth proportional to 181,797.81, 272,709.15 and 61,805.91 is: 92,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,797.81 : 272,709.15 = 61,805.91 : x
  2. Step 2: Convert to fraction form
    181,797.81/272,709.15 = 61,805.91/x
  3. Step 3: Cross multiply
    181,797.81x = 272,709.15 × 61,805.91
  4. Step 4: Simplify right side
    181,797.81x = 16,855,037,181.08
  5. Step 5: Solve for x
    x = 16,855,037,181.08/181,797.81
  6. Step 6: Final answer
    x = 92,713.09

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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.