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Finding the Fourth Proportional to 111,664.98, 167,476.82 and 50,860.91

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Solution

The fourth proportional to 111,664.98, 167,476.82 and 50,860.91 is: 76,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,664.98 : 167,476.82 = 50,860.91 : x
  2. Step 2: Convert to fraction form
    111,664.98/167,476.82 = 50,860.91/x
  3. Step 3: Cross multiply
    111,664.98x = 167,476.82 × 50,860.91
  4. Step 4: Simplify right side
    111,664.98x = 8,518,023,633.49
  5. Step 5: Solve for x
    x = 8,518,023,633.49/111,664.98
  6. Step 6: Final answer
    x = 76,281.96

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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.