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Finding the Fourth Proportional to 270,757.26, 406,136.70 and 93,261.96

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Solution

The fourth proportional to 270,757.26, 406,136.70 and 93,261.96 is: 139,893.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,757.26 : 406,136.70 = 93,261.96 : x
  2. Step 2: Convert to fraction form
    270,757.26/406,136.70 = 93,261.96/x
  3. Step 3: Cross multiply
    270,757.26x = 406,136.70 × 93,261.96
  4. Step 4: Simplify right side
    270,757.26x = 37,877,104,669.93
  5. Step 5: Solve for x
    x = 37,877,104,669.93/270,757.26
  6. Step 6: Final answer
    x = 139,893.22

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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.