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Finding the Fourth Proportional to 234,390.72, 351,444.33 and 92,065.62

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Solution

The fourth proportional to 234,390.72, 351,444.33 and 92,065.62 is: 138,042.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,390.72 : 351,444.33 = 92,065.62 : x
  2. Step 2: Convert to fraction form
    234,390.72/351,444.33 = 92,065.62/x
  3. Step 3: Cross multiply
    234,390.72x = 351,444.33 × 92,065.62
  4. Step 4: Simplify right side
    234,390.72x = 32,355,940,136.93
  5. Step 5: Solve for x
    x = 32,355,940,136.93/234,390.72
  6. Step 6: Final answer
    x = 138,042.75

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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.