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Finding the Fourth Proportional to 67,511.52, 101,179.20 and 36,310.08

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Solution

The fourth proportional to 67,511.52, 101,179.20 and 36,310.08 is: 54,417.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,511.52 : 101,179.20 = 36,310.08 : x
  2. Step 2: Convert to fraction form
    67,511.52/101,179.20 = 36,310.08/x
  3. Step 3: Cross multiply
    67,511.52x = 101,179.20 × 36,310.08
  4. Step 4: Simplify right side
    67,511.52x = 3,673,824,846.34
  5. Step 5: Solve for x
    x = 3,673,824,846.34/67,511.52
  6. Step 6: Final answer
    x = 54,417.75

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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.