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Finding the Fourth Proportional to 274,833.36, 412,229.88 and 87,794.64

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Solution

The fourth proportional to 274,833.36, 412,229.88 and 87,794.64 is: 131,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,833.36 : 412,229.88 = 87,794.64 : x
  2. Step 2: Convert to fraction form
    274,833.36/412,229.88 = 87,794.64/x
  3. Step 3: Cross multiply
    274,833.36x = 412,229.88 × 87,794.64
  4. Step 4: Simplify right side
    274,833.36x = 36,191,573,911.84
  5. Step 5: Solve for x
    x = 36,191,573,911.84/274,833.36
  6. Step 6: Final answer
    x = 131,685.52

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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.