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Finding the Fourth Proportional to 195,612.80, 269,945.76 and 110,728.16

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Solution

The fourth proportional to 195,612.80, 269,945.76 and 110,728.16 is: 152,804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,612.80 : 269,945.76 = 110,728.16 : x
  2. Step 2: Convert to fraction form
    195,612.80/269,945.76 = 110,728.16/x
  3. Step 3: Cross multiply
    195,612.80x = 269,945.76 × 110,728.16
  4. Step 4: Simplify right side
    195,612.80x = 29,890,597,304.60
  5. Step 5: Solve for x
    x = 29,890,597,304.60/195,612.80
  6. Step 6: Final answer
    x = 152,804.92

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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.