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Finding the Fourth Proportional to 111,695.88, 166,739.62 and 95,728.75

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Solution

The fourth proportional to 111,695.88, 166,739.62 and 95,728.75 is: 142,903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,695.88 : 166,739.62 = 95,728.75 : x
  2. Step 2: Convert to fraction form
    111,695.88/166,739.62 = 95,728.75/x
  3. Step 3: Cross multiply
    111,695.88x = 166,739.62 × 95,728.75
  4. Step 4: Simplify right side
    111,695.88x = 15,961,775,398.08
  5. Step 5: Solve for x
    x = 15,961,775,398.08/111,695.88
  6. Step 6: Final answer
    x = 142,903.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.