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Finding the Fourth Proportional to 234,287.79, 351,428.53 and 56,796.33

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Solution

The fourth proportional to 234,287.79, 351,428.53 and 56,796.33 is: 85,193.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,287.79 : 351,428.53 = 56,796.33 : x
  2. Step 2: Convert to fraction form
    234,287.79/351,428.53 = 56,796.33/x
  3. Step 3: Cross multiply
    234,287.79x = 351,428.53 × 56,796.33
  4. Step 4: Simplify right side
    234,287.79x = 19,959,850,761.29
  5. Step 5: Solve for x
    x = 19,959,850,761.29/234,287.79
  6. Step 6: Final answer
    x = 85,193.73

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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.