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Finding the Fourth Proportional to 201,380.86, 302,028.73 and 59,187.56

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Solution

The fourth proportional to 201,380.86, 302,028.73 and 59,187.56 is: 88,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,380.86 : 302,028.73 = 59,187.56 : x
  2. Step 2: Convert to fraction form
    201,380.86/302,028.73 = 59,187.56/x
  3. Step 3: Cross multiply
    201,380.86x = 302,028.73 × 59,187.56
  4. Step 4: Simplify right side
    201,380.86x = 17,876,343,578.60
  5. Step 5: Solve for x
    x = 17,876,343,578.60/201,380.86
  6. Step 6: Final answer
    x = 88,768.83

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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.