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Finding the Fourth Proportional to 234,561.87, 351,709.49 and 92,330.06

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Solution

The fourth proportional to 234,561.87, 351,709.49 and 92,330.06 is: 138,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,561.87 : 351,709.49 = 92,330.06 : x
  2. Step 2: Convert to fraction form
    234,561.87/351,709.49 = 92,330.06/x
  3. Step 3: Cross multiply
    234,561.87x = 351,709.49 × 92,330.06
  4. Step 4: Simplify right side
    234,561.87x = 32,473,356,786.55
  5. Step 5: Solve for x
    x = 32,473,356,786.55/234,561.87
  6. Step 6: Final answer
    x = 138,442.61

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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.