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Finding the Fourth Proportional to 234,419.82, 351,160.74 and 107,886.69

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Solution

The fourth proportional to 234,419.82, 351,160.74 and 107,886.69 is: 161,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,419.82 : 351,160.74 = 107,886.69 : x
  2. Step 2: Convert to fraction form
    234,419.82/351,160.74 = 107,886.69/x
  3. Step 3: Cross multiply
    234,419.82x = 351,160.74 × 107,886.69
  4. Step 4: Simplify right side
    234,419.82x = 37,885,569,896.55
  5. Step 5: Solve for x
    x = 37,885,569,896.55/234,419.82
  6. Step 6: Final answer
    x = 161,614.19

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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.