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Finding the Fourth Proportional to 234,175.14, 351,120.33 and 91,849.86

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Solution

The fourth proportional to 234,175.14, 351,120.33 and 91,849.86 is: 137,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,175.14 : 351,120.33 = 91,849.86 : x
  2. Step 2: Convert to fraction form
    234,175.14/351,120.33 = 91,849.86/x
  3. Step 3: Cross multiply
    234,175.14x = 351,120.33 × 91,849.86
  4. Step 4: Simplify right side
    234,175.14x = 32,250,353,153.65
  5. Step 5: Solve for x
    x = 32,250,353,153.65/234,175.14
  6. Step 6: Final answer
    x = 137,718.94

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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.