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Finding the Fourth Proportional to 188,076.87, 259,550.85 and 103,193.91

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Solution

The fourth proportional to 188,076.87, 259,550.85 and 103,193.91 is: 142,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,076.87 : 259,550.85 = 103,193.91 : x
  2. Step 2: Convert to fraction form
    188,076.87/259,550.85 = 103,193.91/x
  3. Step 3: Cross multiply
    188,076.87x = 259,550.85 × 103,193.91
  4. Step 4: Simplify right side
    188,076.87x = 26,784,067,055.32
  5. Step 5: Solve for x
    x = 26,784,067,055.32/188,076.87
  6. Step 6: Final answer
    x = 142,410.21

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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.