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Finding the Fourth Proportional to 270,732.38, 405,781.45 and 93,082.37

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Solution

The fourth proportional to 270,732.38, 405,781.45 and 93,082.37 is: 139,514.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,732.38 : 405,781.45 = 93,082.37 : x
  2. Step 2: Convert to fraction form
    270,732.38/405,781.45 = 93,082.37/x
  3. Step 3: Cross multiply
    270,732.38x = 405,781.45 × 93,082.37
  4. Step 4: Simplify right side
    270,732.38x = 37,771,096,806.42
  5. Step 5: Solve for x
    x = 37,771,096,806.42/270,732.38
  6. Step 6: Final answer
    x = 139,514.52

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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.