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Finding the Fourth Proportional to 234,930.88, 352,396.32 and 57,435.79

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Solution

The fourth proportional to 234,930.88, 352,396.32 and 57,435.79 is: 86,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,930.88 : 352,396.32 = 57,435.79 : x
  2. Step 2: Convert to fraction form
    234,930.88/352,396.32 = 57,435.79/x
  3. Step 3: Cross multiply
    234,930.88x = 352,396.32 × 57,435.79
  4. Step 4: Simplify right side
    234,930.88x = 20,240,159,485.70
  5. Step 5: Solve for x
    x = 20,240,159,485.70/234,930.88
  6. Step 6: Final answer
    x = 86,153.68

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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.