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Finding the Fourth Proportional to 267,004.19, 400,064.03 and 187,731.11

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Solution

The fourth proportional to 267,004.19, 400,064.03 and 187,731.11 is: 281,285.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,004.19 : 400,064.03 = 187,731.11 : x
  2. Step 2: Convert to fraction form
    267,004.19/400,064.03 = 187,731.11/x
  3. Step 3: Cross multiply
    267,004.19x = 400,064.03 × 187,731.11
  4. Step 4: Simplify right side
    267,004.19x = 75,104,463,484.32
  5. Step 5: Solve for x
    x = 75,104,463,484.32/267,004.19
  6. Step 6: Final answer
    x = 281,285.71

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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.