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Finding the Fourth Proportional to 263,798.66, 395,694.54 and 64,118.48

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Solution

The fourth proportional to 263,798.66, 395,694.54 and 64,118.48 is: 96,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,798.66 : 395,694.54 = 64,118.48 : x
  2. Step 2: Convert to fraction form
    263,798.66/395,694.54 = 64,118.48/x
  3. Step 3: Cross multiply
    263,798.66x = 395,694.54 × 64,118.48
  4. Step 4: Simplify right side
    263,798.66x = 25,371,330,470.63
  5. Step 5: Solve for x
    x = 25,371,330,470.63/263,798.66
  6. Step 6: Final answer
    x = 96,176.88

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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.