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Finding the Fourth Proportional to 111,223.30, 166,842.74 and 44,663.48

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Solution

The fourth proportional to 111,223.30, 166,842.74 and 44,663.48 is: 66,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,223.30 : 166,842.74 = 44,663.48 : x
  2. Step 2: Convert to fraction form
    111,223.30/166,842.74 = 44,663.48/x
  3. Step 3: Cross multiply
    111,223.30x = 166,842.74 × 44,663.48
  4. Step 4: Simplify right side
    111,223.30x = 7,451,776,563.76
  5. Step 5: Solve for x
    x = 7,451,776,563.76/111,223.30
  6. Step 6: Final answer
    x = 66,998.34

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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.