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Finding the Fourth Proportional to 267,884.84, 401,817.51 and 108,029.72

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Solution

The fourth proportional to 267,884.84, 401,817.51 and 108,029.72 is: 162,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,884.84 : 401,817.51 = 108,029.72 : x
  2. Step 2: Convert to fraction form
    267,884.84/401,817.51 = 108,029.72/x
  3. Step 3: Cross multiply
    267,884.84x = 401,817.51 × 108,029.72
  4. Step 4: Simplify right side
    267,884.84x = 43,408,233,096.40
  5. Step 5: Solve for x
    x = 43,408,233,096.40/267,884.84
  6. Step 6: Final answer
    x = 162,040.65

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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.