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Finding the Fourth Proportional to 263,795.52, 395,687.88 and 64,116.96

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Solution

The fourth proportional to 263,795.52, 395,687.88 and 64,116.96 is: 96,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,795.52 : 395,687.88 = 64,116.96 : x
  2. Step 2: Convert to fraction form
    263,795.52/395,687.88 = 64,116.96/x
  3. Step 3: Cross multiply
    263,795.52x = 395,687.88 × 64,116.96
  4. Step 4: Simplify right side
    263,795.52x = 25,370,303,974.44
  5. Step 5: Solve for x
    x = 25,370,303,974.44/263,795.52
  6. Step 6: Final answer
    x = 96,174.13

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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.