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Finding the Fourth Proportional to 117,713.54, 162,449.39 and 63,998.39

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Solution

The fourth proportional to 117,713.54, 162,449.39 and 63,998.39 is: 88,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,713.54 : 162,449.39 = 63,998.39 : x
  2. Step 2: Convert to fraction form
    117,713.54/162,449.39 = 63,998.39/x
  3. Step 3: Cross multiply
    117,713.54x = 162,449.39 × 63,998.39
  4. Step 4: Simplify right side
    117,713.54x = 10,396,498,764.23
  5. Step 5: Solve for x
    x = 10,396,498,764.23/117,713.54
  6. Step 6: Final answer
    x = 88,320.33

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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.