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Finding the Fourth Proportional to 201,717.48, 302,576.86 and 61,475.56

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Solution

The fourth proportional to 201,717.48, 302,576.86 and 61,475.56 is: 92,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,717.48 : 302,576.86 = 61,475.56 : x
  2. Step 2: Convert to fraction form
    201,717.48/302,576.86 = 61,475.56/x
  3. Step 3: Cross multiply
    201,717.48x = 302,576.86 × 61,475.56
  4. Step 4: Simplify right side
    201,717.48x = 18,601,081,911.54
  5. Step 5: Solve for x
    x = 18,601,081,911.54/201,717.48
  6. Step 6: Final answer
    x = 92,213.54

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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.