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Finding the Fourth Proportional to 195,112.80, 292,231.80 and 160,120.80

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Solution

The fourth proportional to 195,112.80, 292,231.80 and 160,120.80 is: 239,822.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,112.80 : 292,231.80 = 160,120.80 : x
  2. Step 2: Convert to fraction form
    195,112.80/292,231.80 = 160,120.80/x
  3. Step 3: Cross multiply
    195,112.80x = 292,231.80 × 160,120.80
  4. Step 4: Simplify right side
    195,112.80x = 46,792,389,601.44
  5. Step 5: Solve for x
    x = 46,792,389,601.44/195,112.80
  6. Step 6: Final answer
    x = 239,822.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.