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Finding the Fourth Proportional to 185,175.50, 255,471.72 and 136,893.36

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Solution

The fourth proportional to 185,175.50, 255,471.72 and 136,893.36 is: 188,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,175.50 : 255,471.72 = 136,893.36 : x
  2. Step 2: Convert to fraction form
    185,175.50/255,471.72 = 136,893.36/x
  3. Step 3: Cross multiply
    185,175.50x = 255,471.72 × 136,893.36
  4. Step 4: Simplify right side
    185,175.50x = 34,972,382,135.78
  5. Step 5: Solve for x
    x = 34,972,382,135.78/185,175.50
  6. Step 6: Final answer
    x = 188,860.74

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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.