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Finding the Fourth Proportional to 111,771.71, 167,731.41 and 52,624.29

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Solution

The fourth proportional to 111,771.71, 167,731.41 and 52,624.29 is: 78,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,771.71 : 167,731.41 = 52,624.29 : x
  2. Step 2: Convert to fraction form
    111,771.71/167,731.41 = 52,624.29/x
  3. Step 3: Cross multiply
    111,771.71x = 167,731.41 × 52,624.29
  4. Step 4: Simplify right side
    111,771.71x = 8,826,746,361.95
  5. Step 5: Solve for x
    x = 8,826,746,361.95/111,771.71
  6. Step 6: Final answer
    x = 78,971.21

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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.