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Finding the Fourth Proportional to 111,223.51, 166,843.05 and 44,663.64

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Solution

The fourth proportional to 111,223.51, 166,843.05 and 44,663.64 is: 66,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,223.51 : 166,843.05 = 44,663.64 : x
  2. Step 2: Convert to fraction form
    111,223.51/166,843.05 = 44,663.64/x
  3. Step 3: Cross multiply
    111,223.51x = 166,843.05 × 44,663.64
  4. Step 4: Simplify right side
    111,223.51x = 7,451,817,921.70
  5. Step 5: Solve for x
    x = 7,451,817,921.70/111,223.51
  6. Step 6: Final answer
    x = 66,998.59

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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.