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Finding the Fourth Proportional to 181,709.82, 250,757.64 and 101,136.18

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Solution

The fourth proportional to 181,709.82, 250,757.64 and 101,136.18 is: 139,566.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,709.82 : 250,757.64 = 101,136.18 : x
  2. Step 2: Convert to fraction form
    181,709.82/250,757.64 = 101,136.18/x
  3. Step 3: Cross multiply
    181,709.82x = 250,757.64 × 101,136.18
  4. Step 4: Simplify right side
    181,709.82x = 25,360,669,815.42
  5. Step 5: Solve for x
    x = 25,360,669,815.42/181,709.82
  6. Step 6: Final answer
    x = 139,566.86

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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.