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Finding the Fourth Proportional to 66,793.52, 100,190.28 and 27,369.20

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Solution

The fourth proportional to 66,793.52, 100,190.28 and 27,369.20 is: 41,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,793.52 : 100,190.28 = 27,369.20 : x
  2. Step 2: Convert to fraction form
    66,793.52/100,190.28 = 27,369.20/x
  3. Step 3: Cross multiply
    66,793.52x = 100,190.28 × 27,369.20
  4. Step 4: Simplify right side
    66,793.52x = 2,742,127,811.38
  5. Step 5: Solve for x
    x = 2,742,127,811.38/66,793.52
  6. Step 6: Final answer
    x = 41,053.80

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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.