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Finding the Fourth Proportional to 67,357.38, 92,914.60 and 42,163.14

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Solution

The fourth proportional to 67,357.38, 92,914.60 and 42,163.14 is: 58,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,357.38 : 92,914.60 = 42,163.14 : x
  2. Step 2: Convert to fraction form
    67,357.38/92,914.60 = 42,163.14/x
  3. Step 3: Cross multiply
    67,357.38x = 92,914.60 × 42,163.14
  4. Step 4: Simplify right side
    67,357.38x = 3,917,571,287.84
  5. Step 5: Solve for x
    x = 3,917,571,287.84/67,357.38
  6. Step 6: Final answer
    x = 58,160.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.