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Finding the Fourth Proportional to 234,441, 351,719.82 and 68,229

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Solution

The fourth proportional to 234,441, 351,719.82 and 68,229 is: 102,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,441 : 351,719.82 = 68,229 : x
  2. Step 2: Convert to fraction form
    234,441/351,719.82 = 68,229/x
  3. Step 3: Cross multiply
    234,441x = 351,719.82 × 68,229
  4. Step 4: Simplify right side
    234,441x = 23,997,491,598.78
  5. Step 5: Solve for x
    x = 23,997,491,598.78/234,441
  6. Step 6: Final answer
    x = 102,360.47

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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.