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Finding the Fourth Proportional to 168,759.12, 232,932.27 and 105,059.10

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Solution

The fourth proportional to 168,759.12, 232,932.27 and 105,059.10 is: 145,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,759.12 : 232,932.27 = 105,059.10 : x
  2. Step 2: Convert to fraction form
    168,759.12/232,932.27 = 105,059.10/x
  3. Step 3: Cross multiply
    168,759.12x = 232,932.27 × 105,059.10
  4. Step 4: Simplify right side
    168,759.12x = 24,471,653,773.66
  5. Step 5: Solve for x
    x = 24,471,653,773.66/168,759.12
  6. Step 6: Final answer
    x = 145,009.37

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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.