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Finding the Fourth Proportional to 76,216.10, 114,000.15 and 68,375.30

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Solution

The fourth proportional to 76,216.10, 114,000.15 and 68,375.30 is: 102,272.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,216.10 : 114,000.15 = 68,375.30 : x
  2. Step 2: Convert to fraction form
    76,216.10/114,000.15 = 68,375.30/x
  3. Step 3: Cross multiply
    76,216.10x = 114,000.15 × 68,375.30
  4. Step 4: Simplify right side
    76,216.10x = 7,794,794,456.30
  5. Step 5: Solve for x
    x = 7,794,794,456.30/76,216.10
  6. Step 6: Final answer
    x = 102,272.28

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1.5x scale

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.