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Finding the Fourth Proportional to 267,062.24, 400,219.68 and 154,712.54

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Solution

The fourth proportional to 267,062.24, 400,219.68 and 154,712.54 is: 231,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,062.24 : 400,219.68 = 154,712.54 : x
  2. Step 2: Convert to fraction form
    267,062.24/400,219.68 = 154,712.54/x
  3. Step 3: Cross multiply
    267,062.24x = 400,219.68 × 154,712.54
  4. Step 4: Simplify right side
    267,062.24x = 61,919,003,250.79
  5. Step 5: Solve for x
    x = 61,919,003,250.79/267,062.24
  6. Step 6: Final answer
    x = 231,852.33

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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.