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Finding the Fourth Proportional to 116,868.67, 175,277.80 and 36,912.86

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Solution

The fourth proportional to 116,868.67, 175,277.80 and 36,912.86 is: 55,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,868.67 : 175,277.80 = 36,912.86 : x
  2. Step 2: Convert to fraction form
    116,868.67/175,277.80 = 36,912.86/x
  3. Step 3: Cross multiply
    116,868.67x = 175,277.80 × 36,912.86
  4. Step 4: Simplify right side
    116,868.67x = 6,470,005,601.67
  5. Step 5: Solve for x
    x = 6,470,005,601.67/116,868.67
  6. Step 6: Final answer
    x = 55,361.33

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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.