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Finding the Fourth Proportional to 188,265.57, 259,586.98 and 140,435.88

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Solution

The fourth proportional to 188,265.57, 259,586.98 and 140,435.88 is: 193,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,265.57 : 259,586.98 = 140,435.88 : x
  2. Step 2: Convert to fraction form
    188,265.57/259,586.98 = 140,435.88/x
  3. Step 3: Cross multiply
    188,265.57x = 259,586.98 × 140,435.88
  4. Step 4: Simplify right side
    188,265.57x = 36,455,324,648.30
  5. Step 5: Solve for x
    x = 36,455,324,648.30/188,265.57
  6. Step 6: Final answer
    x = 193,637.77

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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.