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Finding the Fourth Proportional to 188,297.94, 259,850.35 and 102,256.32

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Solution

The fourth proportional to 188,297.94, 259,850.35 and 102,256.32 is: 141,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,297.94 : 259,850.35 = 102,256.32 : x
  2. Step 2: Convert to fraction form
    188,297.94/259,850.35 = 102,256.32/x
  3. Step 3: Cross multiply
    188,297.94x = 259,850.35 × 102,256.32
  4. Step 4: Simplify right side
    188,297.94x = 26,571,340,147.73
  5. Step 5: Solve for x
    x = 26,571,340,147.73/188,297.94
  6. Step 6: Final answer
    x = 141,113.28

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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.