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Finding the Fourth Proportional to 267,773.91, 401,662.23 and 90,282.45

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Solution

The fourth proportional to 267,773.91, 401,662.23 and 90,282.45 is: 135,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,773.91 : 401,662.23 = 90,282.45 : x
  2. Step 2: Convert to fraction form
    267,773.91/401,662.23 = 90,282.45/x
  3. Step 3: Cross multiply
    267,773.91x = 401,662.23 × 90,282.45
  4. Step 4: Simplify right side
    267,773.91x = 36,263,050,196.86
  5. Step 5: Solve for x
    x = 36,263,050,196.86/267,773.91
  6. Step 6: Final answer
    x = 135,424.14

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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.