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Finding the Fourth Proportional to 228,863.07, 343,066.46 and 108,709.29

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Solution

The fourth proportional to 228,863.07, 343,066.46 and 108,709.29 is: 162,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,863.07 : 343,066.46 = 108,709.29 : x
  2. Step 2: Convert to fraction form
    228,863.07/343,066.46 = 108,709.29/x
  3. Step 3: Cross multiply
    228,863.07x = 343,066.46 × 108,709.29
  4. Step 4: Simplify right side
    228,863.07x = 37,294,510,745.87
  5. Step 5: Solve for x
    x = 37,294,510,745.87/228,863.07
  6. Step 6: Final answer
    x = 162,955.56

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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.