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Finding the Fourth Proportional to 166,843.76, 230,244.36 and 91,392.24

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Solution

The fourth proportional to 166,843.76, 230,244.36 and 91,392.24 is: 126,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,843.76 : 230,244.36 = 91,392.24 : x
  2. Step 2: Convert to fraction form
    166,843.76/230,244.36 = 91,392.24/x
  3. Step 3: Cross multiply
    166,843.76x = 230,244.36 × 91,392.24
  4. Step 4: Simplify right side
    166,843.76x = 21,042,547,807.77
  5. Step 5: Solve for x
    x = 21,042,547,807.77/166,843.76
  6. Step 6: Final answer
    x = 126,121.28

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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.