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Finding the Fourth Proportional to 267,228.48, 400,828.68 and 89,739.12

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Solution

The fourth proportional to 267,228.48, 400,828.68 and 89,739.12 is: 134,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,228.48 : 400,828.68 = 89,739.12 : x
  2. Step 2: Convert to fraction form
    267,228.48/400,828.68 = 89,739.12/x
  3. Step 3: Cross multiply
    267,228.48x = 400,828.68 × 89,739.12
  4. Step 4: Simplify right side
    267,228.48x = 35,970,013,013.96
  5. Step 5: Solve for x
    x = 35,970,013,013.96/267,228.48
  6. Step 6: Final answer
    x = 134,603.97

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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.