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Finding the Fourth Proportional to 183,175.72, 274,405.86 and 126,239.54

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Solution

The fourth proportional to 183,175.72, 274,405.86 and 126,239.54 is: 189,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,175.72 : 274,405.86 = 126,239.54 : x
  2. Step 2: Convert to fraction form
    183,175.72/274,405.86 = 126,239.54/x
  3. Step 3: Cross multiply
    183,175.72x = 274,405.86 × 126,239.54
  4. Step 4: Simplify right side
    183,175.72x = 34,640,868,167.68
  5. Step 5: Solve for x
    x = 34,640,868,167.68/183,175.72
  6. Step 6: Final answer
    x = 189,112.77

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1.5x scale

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.