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Finding the Fourth Proportional to 110,767.80, 166,043.70 and 63,334.20

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Solution

The fourth proportional to 110,767.80, 166,043.70 and 63,334.20 is: 94,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,767.80 : 166,043.70 = 63,334.20 : x
  2. Step 2: Convert to fraction form
    110,767.80/166,043.70 = 63,334.20/x
  3. Step 3: Cross multiply
    110,767.80x = 166,043.70 × 63,334.20
  4. Step 4: Simplify right side
    110,767.80x = 10,516,244,904.54
  5. Step 5: Solve for x
    x = 10,516,244,904.54/110,767.80
  6. Step 6: Final answer
    x = 94,939.55

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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.