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Finding the Fourth Proportional to 263,770.34, 395,655.99 and 64,090.89

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Solution

The fourth proportional to 263,770.34, 395,655.99 and 64,090.89 is: 96,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,770.34 : 395,655.99 = 64,090.89 : x
  2. Step 2: Convert to fraction form
    263,770.34/395,655.99 = 64,090.89/x
  3. Step 3: Cross multiply
    263,770.34x = 395,655.99 × 64,090.89
  4. Step 4: Simplify right side
    263,770.34x = 25,357,944,532.93
  5. Step 5: Solve for x
    x = 25,357,944,532.93/263,770.34
  6. Step 6: Final answer
    x = 96,136.45

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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.