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Finding the Fourth Proportional to 267,683.33, 401,571.47 and 90,191.88

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Solution

The fourth proportional to 267,683.33, 401,571.47 and 90,191.88 is: 135,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,683.33 : 401,571.47 = 90,191.88 : x
  2. Step 2: Convert to fraction form
    267,683.33/401,571.47 = 90,191.88/x
  3. Step 3: Cross multiply
    267,683.33x = 401,571.47 × 90,191.88
  4. Step 4: Simplify right side
    267,683.33x = 36,218,486,059.14
  5. Step 5: Solve for x
    x = 36,218,486,059.14/267,683.33
  6. Step 6: Final answer
    x = 135,303.48

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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.