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Finding the Fourth Proportional to 267,683.58, 401,584.77 and 80,681.58

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Solution

The fourth proportional to 267,683.58, 401,584.77 and 80,681.58 is: 121,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,683.58 : 401,584.77 = 80,681.58 : x
  2. Step 2: Convert to fraction form
    267,683.58/401,584.77 = 80,681.58/x
  3. Step 3: Cross multiply
    267,683.58x = 401,584.77 × 80,681.58
  4. Step 4: Simplify right side
    267,683.58x = 32,400,493,747.54
  5. Step 5: Solve for x
    x = 32,400,493,747.54/267,683.58
  6. Step 6: Final answer
    x = 121,040.27

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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.