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Finding the Fourth Proportional to 267,588.38, 401,101.60 and 90,033.76

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Solution

The fourth proportional to 267,588.38, 401,101.60 and 90,033.76 is: 134,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,588.38 : 401,101.60 = 90,033.76 : x
  2. Step 2: Convert to fraction form
    267,588.38/401,101.60 = 90,033.76/x
  3. Step 3: Cross multiply
    267,588.38x = 401,101.60 × 90,033.76
  4. Step 4: Simplify right side
    267,588.38x = 36,112,685,190.02
  5. Step 5: Solve for x
    x = 36,112,685,190.02/267,588.38
  6. Step 6: Final answer
    x = 134,956.10

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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.