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Finding the Fourth Proportional to 168,759.62, 232,932.96 and 105,059.60

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Solution

The fourth proportional to 168,759.62, 232,932.96 and 105,059.60 is: 145,010.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,759.62 : 232,932.96 = 105,059.60 : x
  2. Step 2: Convert to fraction form
    168,759.62/232,932.96 = 105,059.60/x
  3. Step 3: Cross multiply
    168,759.62x = 232,932.96 × 105,059.60
  4. Step 4: Simplify right side
    168,759.62x = 24,471,842,439.75
  5. Step 5: Solve for x
    x = 24,471,842,439.75/168,759.62
  6. Step 6: Final answer
    x = 145,010.06

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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.