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Finding the Fourth Proportional to 201,537.11, 302,342.42 and 68,410.37

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Solution

The fourth proportional to 201,537.11, 302,342.42 and 68,410.37 is: 102,628.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,537.11 : 302,342.42 = 68,410.37 : x
  2. Step 2: Convert to fraction form
    201,537.11/302,342.42 = 68,410.37/x
  3. Step 3: Cross multiply
    201,537.11x = 302,342.42 × 68,410.37
  4. Step 4: Simplify right side
    201,537.11x = 20,683,357,745.78
  5. Step 5: Solve for x
    x = 20,683,357,745.78/201,537.11
  6. Step 6: Final answer
    x = 102,628.03

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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.