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Finding the Fourth Proportional to 267,551.57, 401,368.82 and 90,044.73

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Solution

The fourth proportional to 267,551.57, 401,368.82 and 90,044.73 is: 135,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,551.57 : 401,368.82 = 90,044.73 : x
  2. Step 2: Convert to fraction form
    267,551.57/401,368.82 = 90,044.73/x
  3. Step 3: Cross multiply
    267,551.57x = 401,368.82 × 90,044.73
  4. Step 4: Simplify right side
    267,551.57x = 36,141,147,083.60
  5. Step 5: Solve for x
    x = 36,141,147,083.60/267,551.57
  6. Step 6: Final answer
    x = 135,081.05

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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.