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Finding the Fourth Proportional to 267,476.60, 401,252.38 and 87,576.10

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Solution

The fourth proportional to 267,476.60, 401,252.38 and 87,576.10 is: 131,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,476.60 : 401,252.38 = 87,576.10 : x
  2. Step 2: Convert to fraction form
    267,476.60/401,252.38 = 87,576.10/x
  3. Step 3: Cross multiply
    267,476.60x = 401,252.38 × 87,576.10
  4. Step 4: Simplify right side
    267,476.60x = 35,140,117,334.05
  5. Step 5: Solve for x
    x = 35,140,117,334.05/267,476.60
  6. Step 6: Final answer
    x = 131,376.42

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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.