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Finding the Fourth Proportional to 171,759.36, 257,797.62 and 123,777.84

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Solution

The fourth proportional to 171,759.36, 257,797.62 and 123,777.84 is: 185,781.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,759.36 : 257,797.62 = 123,777.84 : x
  2. Step 2: Convert to fraction form
    171,759.36/257,797.62 = 123,777.84/x
  3. Step 3: Cross multiply
    171,759.36x = 257,797.62 × 123,777.84
  4. Step 4: Simplify right side
    171,759.36x = 31,909,632,560.74
  5. Step 5: Solve for x
    x = 31,909,632,560.74/171,759.36
  6. Step 6: Final answer
    x = 185,781.04

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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.