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Finding the Fourth Proportional to 98,017.92, 146,842.02 and 57,917.34

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Solution

The fourth proportional to 98,017.92, 146,842.02 and 57,917.34 is: 86,766.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,017.92 : 146,842.02 = 57,917.34 : x
  2. Step 2: Convert to fraction form
    98,017.92/146,842.02 = 57,917.34/x
  3. Step 3: Cross multiply
    98,017.92x = 146,842.02 × 57,917.34
  4. Step 4: Simplify right side
    98,017.92x = 8,504,699,198.63
  5. Step 5: Solve for x
    x = 8,504,699,198.63/98,017.92
  6. Step 6: Final answer
    x = 86,766.78

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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.