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Finding the Fourth Proportional to 116,046.78, 173,951.04 and 66,020.37

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Solution

The fourth proportional to 116,046.78, 173,951.04 and 66,020.37 is: 98,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,046.78 : 173,951.04 = 66,020.37 : x
  2. Step 2: Convert to fraction form
    116,046.78/173,951.04 = 66,020.37/x
  3. Step 3: Cross multiply
    116,046.78x = 173,951.04 × 66,020.37
  4. Step 4: Simplify right side
    116,046.78x = 11,484,312,022.68
  5. Step 5: Solve for x
    x = 11,484,312,022.68/116,046.78
  6. Step 6: Final answer
    x = 98,962.78

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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.