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Finding the Fourth Proportional to 267,872.05, 369,662.35 and 147,015.32

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Solution

The fourth proportional to 267,872.05, 369,662.35 and 147,015.32 is: 202,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,872.05 : 369,662.35 = 147,015.32 : x
  2. Step 2: Convert to fraction form
    267,872.05/369,662.35 = 147,015.32/x
  3. Step 3: Cross multiply
    267,872.05x = 369,662.35 × 147,015.32
  4. Step 4: Simplify right side
    267,872.05x = 54,346,027,942.13
  5. Step 5: Solve for x
    x = 54,346,027,942.13/267,872.05
  6. Step 6: Final answer
    x = 202,880.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.