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Finding the Fourth Proportional to 227,628.62, 341,480.03 and 85,484.96

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Solution

The fourth proportional to 227,628.62, 341,480.03 and 85,484.96 is: 128,241.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,628.62 : 341,480.03 = 85,484.96 : x
  2. Step 2: Convert to fraction form
    227,628.62/341,480.03 = 85,484.96/x
  3. Step 3: Cross multiply
    227,628.62x = 341,480.03 × 85,484.96
  4. Step 4: Simplify right side
    227,628.62x = 29,191,404,570.52
  5. Step 5: Solve for x
    x = 29,191,404,570.52/227,628.62
  6. Step 6: Final answer
    x = 128,241.37

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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.