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Finding the Fourth Proportional to 110,662.20, 166,166.10 and 64,006.20

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Solution

The fourth proportional to 110,662.20, 166,166.10 and 64,006.20 is: 96,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,662.20 : 166,166.10 = 64,006.20 : x
  2. Step 2: Convert to fraction form
    110,662.20/166,166.10 = 64,006.20/x
  3. Step 3: Cross multiply
    110,662.20x = 166,166.10 × 64,006.20
  4. Step 4: Simplify right side
    110,662.20x = 10,635,660,629.82
  5. Step 5: Solve for x
    x = 10,635,660,629.82/110,662.20
  6. Step 6: Final answer
    x = 96,109.25

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1.5x scale

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.