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Finding the Fourth Proportional to 156,340.97, 234,508.97 and 49,723.39

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Solution

The fourth proportional to 156,340.97, 234,508.97 and 49,723.39 is: 74,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,340.97 : 234,508.97 = 49,723.39 : x
  2. Step 2: Convert to fraction form
    156,340.97/234,508.97 = 49,723.39/x
  3. Step 3: Cross multiply
    156,340.97x = 234,508.97 × 49,723.39
  4. Step 4: Simplify right side
    156,340.97x = 11,660,580,072.14
  5. Step 5: Solve for x
    x = 11,660,580,072.14/156,340.97
  6. Step 6: Final answer
    x = 74,584.29

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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.