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Finding the Fourth Proportional to 267,372.81, 401,148.56 and 87,466.46

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Solution

The fourth proportional to 267,372.81, 401,148.56 and 87,466.46 is: 131,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,372.81 : 401,148.56 = 87,466.46 : x
  2. Step 2: Convert to fraction form
    267,372.81/401,148.56 = 87,466.46/x
  3. Step 3: Cross multiply
    267,372.81x = 401,148.56 × 87,466.46
  4. Step 4: Simplify right side
    267,372.81x = 35,087,042,690.22
  5. Step 5: Solve for x
    x = 35,087,042,690.22/267,372.81
  6. Step 6: Final answer
    x = 131,228.91

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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.