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Finding the Fourth Proportional to 267,300.66, 400,902.54 and 107,370.15

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Solution

The fourth proportional to 267,300.66, 400,902.54 and 107,370.15 is: 161,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,300.66 : 400,902.54 = 107,370.15 : x
  2. Step 2: Convert to fraction form
    267,300.66/400,902.54 = 107,370.15/x
  3. Step 3: Cross multiply
    267,300.66x = 400,902.54 × 107,370.15
  4. Step 4: Simplify right side
    267,300.66x = 43,044,965,855.18
  5. Step 5: Solve for x
    x = 43,044,965,855.18/267,300.66
  6. Step 6: Final answer
    x = 161,035.76

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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.