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Finding the Fourth Proportional to 68,367.50, 102,552.88 and 26,814.50

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Solution

The fourth proportional to 68,367.50, 102,552.88 and 26,814.50 is: 40,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,367.50 : 102,552.88 = 26,814.50 : x
  2. Step 2: Convert to fraction form
    68,367.50/102,552.88 = 26,814.50/x
  3. Step 3: Cross multiply
    68,367.50x = 102,552.88 × 26,814.50
  4. Step 4: Simplify right side
    68,367.50x = 2,749,904,200.76
  5. Step 5: Solve for x
    x = 2,749,904,200.76/68,367.50
  6. Step 6: Final answer
    x = 40,222.39

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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.