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Finding the Fourth Proportional to 226,093.44, 312,012.87 and 124,128.39

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Solution

The fourth proportional to 226,093.44, 312,012.87 and 124,128.39 is: 171,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,093.44 : 312,012.87 = 124,128.39 : x
  2. Step 2: Convert to fraction form
    226,093.44/312,012.87 = 124,128.39/x
  3. Step 3: Cross multiply
    226,093.44x = 312,012.87 × 124,128.39
  4. Step 4: Simplify right side
    226,093.44x = 38,729,655,212.38
  5. Step 5: Solve for x
    x = 38,729,655,212.38/226,093.44
  6. Step 6: Final answer
    x = 171,299.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.