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Finding the Fourth Proportional to 267,236.18, 368,786.08 and 146,379.48

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Solution

The fourth proportional to 267,236.18, 368,786.08 and 146,379.48 is: 202,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,236.18 : 368,786.08 = 146,379.48 : x
  2. Step 2: Convert to fraction form
    267,236.18/368,786.08 = 146,379.48/x
  3. Step 3: Cross multiply
    267,236.18x = 368,786.08 × 146,379.48
  4. Step 4: Simplify right side
    267,236.18x = 53,982,714,621.64
  5. Step 5: Solve for x
    x = 53,982,714,621.64/267,236.18
  6. Step 6: Final answer
    x = 202,003.77

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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.