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Finding the Fourth Proportional to 66,827.28, 100,243.68 and 37,432.44

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Solution

The fourth proportional to 66,827.28, 100,243.68 and 37,432.44 is: 56,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,827.28 : 100,243.68 = 37,432.44 : x
  2. Step 2: Convert to fraction form
    66,827.28/100,243.68 = 37,432.44/x
  3. Step 3: Cross multiply
    66,827.28x = 100,243.68 × 37,432.44
  4. Step 4: Simplify right side
    66,827.28x = 3,752,365,536.98
  5. Step 5: Solve for x
    x = 3,752,365,536.98/66,827.28
  6. Step 6: Final answer
    x = 56,150.21

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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.