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Finding the Fourth Proportional to 201,716.48, 302,575.36 and 61,474.56

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Solution

The fourth proportional to 201,716.48, 302,575.36 and 61,474.56 is: 92,212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,716.48 : 302,575.36 = 61,474.56 : x
  2. Step 2: Convert to fraction form
    201,716.48/302,575.36 = 61,474.56/x
  3. Step 3: Cross multiply
    201,716.48x = 302,575.36 × 61,474.56
  4. Step 4: Simplify right side
    201,716.48x = 18,600,687,122.84
  5. Step 5: Solve for x
    x = 18,600,687,122.84/201,716.48
  6. Step 6: Final answer
    x = 92,212.04

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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.