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Finding the Fourth Proportional to 69,137.46, 103,683.13 and 27,006.62

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Solution

The fourth proportional to 69,137.46, 103,683.13 and 27,006.62 is: 40,500.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,137.46 : 103,683.13 = 27,006.62 : x
  2. Step 2: Convert to fraction form
    69,137.46/103,683.13 = 27,006.62/x
  3. Step 3: Cross multiply
    69,137.46x = 103,683.13 × 27,006.62
  4. Step 4: Simplify right side
    69,137.46x = 2,800,130,892.32
  5. Step 5: Solve for x
    x = 2,800,130,892.32/69,137.46
  6. Step 6: Final answer
    x = 40,500.92

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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.