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Finding the Fourth Proportional to 195,941.50, 270,381.98 and 108,728.80

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Solution

The fourth proportional to 195,941.50, 270,381.98 and 108,728.80 is: 150,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,941.50 : 270,381.98 = 108,728.80 : x
  2. Step 2: Convert to fraction form
    195,941.50/270,381.98 = 108,728.80/x
  3. Step 3: Cross multiply
    195,941.50x = 270,381.98 × 108,728.80
  4. Step 4: Simplify right side
    195,941.50x = 29,398,308,227.02
  5. Step 5: Solve for x
    x = 29,398,308,227.02/195,941.50
  6. Step 6: Final answer
    x = 150,036.15

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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.