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Finding the Fourth Proportional to 263,770.14, 395,655.72 and 64,090.71

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Solution

The fourth proportional to 263,770.14, 395,655.72 and 64,090.71 is: 96,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,770.14 : 395,655.72 = 64,090.71 : x
  2. Step 2: Convert to fraction form
    263,770.14/395,655.72 = 64,090.71/x
  3. Step 3: Cross multiply
    263,770.14x = 395,655.72 × 64,090.71
  4. Step 4: Simplify right side
    263,770.14x = 25,357,856,010.36
  5. Step 5: Solve for x
    x = 25,357,856,010.36/263,770.14
  6. Step 6: Final answer
    x = 96,136.19

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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.