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Finding the Fourth Proportional to 267,313.05, 400,844.03 and 155,025.18

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Solution

The fourth proportional to 267,313.05, 400,844.03 and 155,025.18 is: 232,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,313.05 : 400,844.03 = 155,025.18 : x
  2. Step 2: Convert to fraction form
    267,313.05/400,844.03 = 155,025.18/x
  3. Step 3: Cross multiply
    267,313.05x = 400,844.03 × 155,025.18
  4. Step 4: Simplify right side
    267,313.05x = 62,140,917,127.55
  5. Step 5: Solve for x
    x = 62,140,917,127.55/267,313.05
  6. Step 6: Final answer
    x = 232,464.96

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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.