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Finding the Fourth Proportional to 183,633.78, 253,406.97 and 103,067.94

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Solution

The fourth proportional to 183,633.78, 253,406.97 and 103,067.94 is: 142,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,633.78 : 253,406.97 = 103,067.94 : x
  2. Step 2: Convert to fraction form
    183,633.78/253,406.97 = 103,067.94/x
  3. Step 3: Cross multiply
    183,633.78x = 253,406.97 × 103,067.94
  4. Step 4: Simplify right side
    183,633.78x = 26,118,134,379.54
  5. Step 5: Solve for x
    x = 26,118,134,379.54/183,633.78
  6. Step 6: Final answer
    x = 142,229.47

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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.