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Finding the Fourth Proportional to 163,162.62, 225,168.39 and 91,544.58

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Solution

The fourth proportional to 163,162.62, 225,168.39 and 91,544.58 is: 126,333.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,162.62 : 225,168.39 = 91,544.58 : x
  2. Step 2: Convert to fraction form
    163,162.62/225,168.39 = 91,544.58/x
  3. Step 3: Cross multiply
    163,162.62x = 225,168.39 × 91,544.58
  4. Step 4: Simplify right side
    163,162.62x = 20,612,945,691.83
  5. Step 5: Solve for x
    x = 20,612,945,691.83/163,162.62
  6. Step 6: Final answer
    x = 126,333.75

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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.