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Finding the Fourth Proportional to 255,195, 352,166.22 and 140,471.16

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Solution

The fourth proportional to 255,195, 352,166.22 and 140,471.16 is: 193,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,195 : 352,166.22 = 140,471.16 : x
  2. Step 2: Convert to fraction form
    255,195/352,166.22 = 140,471.16/x
  3. Step 3: Cross multiply
    255,195x = 352,166.22 × 140,471.16
  4. Step 4: Simplify right side
    255,195x = 49,469,197,436.22
  5. Step 5: Solve for x
    x = 49,469,197,436.22/255,195
  6. Step 6: Final answer
    x = 193,848.62

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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.