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Finding the Fourth Proportional to 167,281.62, 250,731.54 and 67,377.84

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Solution

The fourth proportional to 167,281.62, 250,731.54 and 67,377.84 is: 100,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,281.62 : 250,731.54 = 67,377.84 : x
  2. Step 2: Convert to fraction form
    167,281.62/250,731.54 = 67,377.84/x
  3. Step 3: Cross multiply
    167,281.62x = 250,731.54 × 67,377.84
  4. Step 4: Simplify right side
    167,281.62x = 16,893,749,585.07
  5. Step 5: Solve for x
    x = 16,893,749,585.07/167,281.62
  6. Step 6: Final answer
    x = 100,989.87

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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.