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Finding the Fourth Proportional to 111,366.76, 167,087.27 and 74,073.85

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Solution

The fourth proportional to 111,366.76, 167,087.27 and 74,073.85 is: 111,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,366.76 : 167,087.27 = 74,073.85 : x
  2. Step 2: Convert to fraction form
    111,366.76/167,087.27 = 74,073.85/x
  3. Step 3: Cross multiply
    111,366.76x = 167,087.27 × 74,073.85
  4. Step 4: Simplify right side
    111,366.76x = 12,376,797,374.89
  5. Step 5: Solve for x
    x = 12,376,797,374.89/111,366.76
  6. Step 6: Final answer
    x = 111,135.48

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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.