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Finding the Fourth Proportional to 267,383.74, 401,126.18 and 107,472.12

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Solution

The fourth proportional to 267,383.74, 401,126.18 and 107,472.12 is: 161,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,383.74 : 401,126.18 = 107,472.12 : x
  2. Step 2: Convert to fraction form
    267,383.74/401,126.18 = 107,472.12/x
  3. Step 3: Cross multiply
    267,383.74x = 401,126.18 × 107,472.12
  4. Step 4: Simplify right side
    267,383.74x = 43,109,881,220.78
  5. Step 5: Solve for x
    x = 43,109,881,220.78/267,383.74
  6. Step 6: Final answer
    x = 161,228.51

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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.