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Finding the Fourth Proportional to 111,787.54, 167,701.86 and 36,912.76

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Solution

The fourth proportional to 111,787.54, 167,701.86 and 36,912.76 is: 55,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,787.54 : 167,701.86 = 36,912.76 : x
  2. Step 2: Convert to fraction form
    111,787.54/167,701.86 = 36,912.76/x
  3. Step 3: Cross multiply
    111,787.54x = 167,701.86 × 36,912.76
  4. Step 4: Simplify right side
    111,787.54x = 6,190,338,509.73
  5. Step 5: Solve for x
    x = 6,190,338,509.73/111,787.54
  6. Step 6: Final answer
    x = 55,375.93

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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.