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Finding the Fourth Proportional to 168,066.80, 231,921.22 and 92,615.28

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Solution

The fourth proportional to 168,066.80, 231,921.22 and 92,615.28 is: 127,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,066.80 : 231,921.22 = 92,615.28 : x
  2. Step 2: Convert to fraction form
    168,066.80/231,921.22 = 92,615.28/x
  3. Step 3: Cross multiply
    168,066.80x = 231,921.22 × 92,615.28
  4. Step 4: Simplify right side
    168,066.80x = 21,479,448,728.24
  5. Step 5: Solve for x
    x = 21,479,448,728.24/168,066.80
  6. Step 6: Final answer
    x = 127,803.04

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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.