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Finding the Fourth Proportional to 68,144.22, 102,216.84 and 23,770.80

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Solution

The fourth proportional to 68,144.22, 102,216.84 and 23,770.80 is: 35,656.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,144.22 : 102,216.84 = 23,770.80 : x
  2. Step 2: Convert to fraction form
    68,144.22/102,216.84 = 23,770.80/x
  3. Step 3: Cross multiply
    68,144.22x = 102,216.84 × 23,770.80
  4. Step 4: Simplify right side
    68,144.22x = 2,429,776,060.27
  5. Step 5: Solve for x
    x = 2,429,776,060.27/68,144.22
  6. Step 6: Final answer
    x = 35,656.38

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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.