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Finding the Fourth Proportional to 121,995.57, 182,974.53 and 33,256.23

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Solution

The fourth proportional to 121,995.57, 182,974.53 and 33,256.23 is: 49,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,995.57 : 182,974.53 = 33,256.23 : x
  2. Step 2: Convert to fraction form
    121,995.57/182,974.53 = 33,256.23/x
  3. Step 3: Cross multiply
    121,995.57x = 182,974.53 × 33,256.23
  4. Step 4: Simplify right side
    121,995.57x = 6,085,043,053.82
  5. Step 5: Solve for x
    x = 6,085,043,053.82/121,995.57
  6. Step 6: Final answer
    x = 49,879.21

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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.