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Finding the Fourth Proportional to 77,372.91, 116,020.49 and 35,849.07

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Solution

The fourth proportional to 77,372.91, 116,020.49 and 35,849.07 is: 53,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,372.91 : 116,020.49 = 35,849.07 : x
  2. Step 2: Convert to fraction form
    77,372.91/116,020.49 = 35,849.07/x
  3. Step 3: Cross multiply
    77,372.91x = 116,020.49 × 35,849.07
  4. Step 4: Simplify right side
    77,372.91x = 4,159,226,488.20
  5. Step 5: Solve for x
    x = 4,159,226,488.20/77,372.91
  6. Step 6: Final answer
    x = 53,755.59

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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.