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Finding the Fourth Proportional to 234,343.75, 351,575.57 and 68,131.75

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Solution

The fourth proportional to 234,343.75, 351,575.57 and 68,131.75 is: 102,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,343.75 : 351,575.57 = 68,131.75 : x
  2. Step 2: Convert to fraction form
    234,343.75/351,575.57 = 68,131.75/x
  3. Step 3: Cross multiply
    234,343.75x = 351,575.57 × 68,131.75
  4. Step 4: Simplify right side
    234,343.75x = 23,953,458,841.35
  5. Step 5: Solve for x
    x = 23,953,458,841.35/234,343.75
  6. Step 6: Final answer
    x = 102,215.05

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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.