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Finding the Fourth Proportional to 111,154.73, 166,763.32 and 44,641.58

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Solution

The fourth proportional to 111,154.73, 166,763.32 and 44,641.58 is: 66,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,154.73 : 166,763.32 = 44,641.58 : x
  2. Step 2: Convert to fraction form
    111,154.73/166,763.32 = 44,641.58/x
  3. Step 3: Cross multiply
    111,154.73x = 166,763.32 × 44,641.58
  4. Step 4: Simplify right side
    111,154.73x = 7,444,577,145.43
  5. Step 5: Solve for x
    x = 7,444,577,145.43/111,154.73
  6. Step 6: Final answer
    x = 66,974.90

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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.