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Finding the Fourth Proportional to 167,636.43, 251,454.65 and 49,307.76

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Solution

The fourth proportional to 167,636.43, 251,454.65 and 49,307.76 is: 73,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,636.43 : 251,454.65 = 49,307.76 : x
  2. Step 2: Convert to fraction form
    167,636.43/251,454.65 = 49,307.76/x
  3. Step 3: Cross multiply
    167,636.43x = 251,454.65 × 49,307.76
  4. Step 4: Simplify right side
    167,636.43x = 12,398,665,286.55
  5. Step 5: Solve for x
    x = 12,398,665,286.55/167,636.43
  6. Step 6: Final answer
    x = 73,961.64

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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.