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Finding the Fourth Proportional to 71,104.64, 106,653.11 and 36,043.38

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Solution

The fourth proportional to 71,104.64, 106,653.11 and 36,043.38 is: 54,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,104.64 : 106,653.11 = 36,043.38 : x
  2. Step 2: Convert to fraction form
    71,104.64/106,653.11 = 36,043.38/x
  3. Step 3: Cross multiply
    71,104.64x = 106,653.11 × 36,043.38
  4. Step 4: Simplify right side
    71,104.64x = 3,844,138,391.69
  5. Step 5: Solve for x
    x = 3,844,138,391.69/71,104.64
  6. Step 6: Final answer
    x = 54,063.12

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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.