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Finding the Fourth Proportional to 263,801.16, 395,698.28 and 64,120.96

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Solution

The fourth proportional to 263,801.16, 395,698.28 and 64,120.96 is: 96,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,801.16 : 395,698.28 = 64,120.96 : x
  2. Step 2: Convert to fraction form
    263,801.16/395,698.28 = 64,120.96/x
  3. Step 3: Cross multiply
    263,801.16x = 395,698.28 × 64,120.96
  4. Step 4: Simplify right side
    263,801.16x = 25,372,553,583.95
  5. Step 5: Solve for x
    x = 25,372,553,583.95/263,801.16
  6. Step 6: Final answer
    x = 96,180.60

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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.