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Finding the Fourth Proportional to 71,395.34, 98,537.24 and 54,372.38

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Solution

The fourth proportional to 71,395.34, 98,537.24 and 54,372.38 is: 75,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,395.34 : 98,537.24 = 54,372.38 : x
  2. Step 2: Convert to fraction form
    71,395.34/98,537.24 = 54,372.38/x
  3. Step 3: Cross multiply
    71,395.34x = 98,537.24 × 54,372.38
  4. Step 4: Simplify right side
    71,395.34x = 5,357,703,900.68
  5. Step 5: Solve for x
    x = 5,357,703,900.68/71,395.34
  6. Step 6: Final answer
    x = 75,042.77

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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.