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Finding the Fourth Proportional to 190,600.67, 285,791.62 and 72,196.49

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Solution

The fourth proportional to 190,600.67, 285,791.62 and 72,196.49 is: 108,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,600.67 : 285,791.62 = 72,196.49 : x
  2. Step 2: Convert to fraction form
    190,600.67/285,791.62 = 72,196.49/x
  3. Step 3: Cross multiply
    190,600.67x = 285,791.62 × 72,196.49
  4. Step 4: Simplify right side
    190,600.67x = 20,633,151,835.41
  5. Step 5: Solve for x
    x = 20,633,151,835.41/190,600.67
  6. Step 6: Final answer
    x = 108,253.30

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1.5x scale

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.