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Finding the Fourth Proportional to 245,759.68, 368,468.19 and 108,908.26

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Solution

The fourth proportional to 245,759.68, 368,468.19 and 108,908.26 is: 163,286.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,759.68 : 368,468.19 = 108,908.26 : x
  2. Step 2: Convert to fraction form
    245,759.68/368,468.19 = 108,908.26/x
  3. Step 3: Cross multiply
    245,759.68x = 368,468.19 × 108,908.26
  4. Step 4: Simplify right side
    245,759.68x = 40,129,231,592.38
  5. Step 5: Solve for x
    x = 40,129,231,592.38/245,759.68
  6. Step 6: Final answer
    x = 163,286.47

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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.