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Finding the Fourth Proportional to 267,524.64, 401,328.49 and 90,017.82

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Solution

The fourth proportional to 267,524.64, 401,328.49 and 90,017.82 is: 135,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,524.64 : 401,328.49 = 90,017.82 : x
  2. Step 2: Convert to fraction form
    267,524.64/401,328.49 = 90,017.82/x
  3. Step 3: Cross multiply
    267,524.64x = 401,328.49 × 90,017.82
  4. Step 4: Simplify right side
    267,524.64x = 36,126,715,773.69
  5. Step 5: Solve for x
    x = 36,126,715,773.69/267,524.64
  6. Step 6: Final answer
    x = 135,040.70

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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.