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Finding the Fourth Proportional to 163,497.56, 244,891.38 and 79,080.68

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Solution

The fourth proportional to 163,497.56, 244,891.38 and 79,080.68 is: 118,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,497.56 : 244,891.38 = 79,080.68 : x
  2. Step 2: Convert to fraction form
    163,497.56/244,891.38 = 79,080.68/x
  3. Step 3: Cross multiply
    163,497.56x = 244,891.38 × 79,080.68
  4. Step 4: Simplify right side
    163,497.56x = 19,366,176,856.54
  5. Step 5: Solve for x
    x = 19,366,176,856.54/163,497.56
  6. Step 6: Final answer
    x = 118,449.33

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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.