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Finding the Fourth Proportional to 163,464.39, 225,552.42 and 91,847.43

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Solution

The fourth proportional to 163,464.39, 225,552.42 and 91,847.43 is: 126,733.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,464.39 : 225,552.42 = 91,847.43 : x
  2. Step 2: Convert to fraction form
    163,464.39/225,552.42 = 91,847.43/x
  3. Step 3: Cross multiply
    163,464.39x = 225,552.42 × 91,847.43
  4. Step 4: Simplify right side
    163,464.39x = 20,716,410,107.28
  5. Step 5: Solve for x
    x = 20,716,410,107.28/163,464.39
  6. Step 6: Final answer
    x = 126,733.47

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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.