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Finding the Fourth Proportional to 111,010.86, 166,472.46 and 44,438.58

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Solution

The fourth proportional to 111,010.86, 166,472.46 and 44,438.58 is: 66,640.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,010.86 : 166,472.46 = 44,438.58 : x
  2. Step 2: Convert to fraction form
    111,010.86/166,472.46 = 44,438.58/x
  3. Step 3: Cross multiply
    111,010.86x = 166,472.46 × 44,438.58
  4. Step 4: Simplify right side
    111,010.86x = 7,397,799,731.51
  5. Step 5: Solve for x
    x = 7,397,799,731.51/111,010.86
  6. Step 6: Final answer
    x = 66,640.32

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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.