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Finding the Fourth Proportional to 161,057.88, 241,537.59 and 76,773.60

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Solution

The fourth proportional to 161,057.88, 241,537.59 and 76,773.60 is: 115,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,057.88 : 241,537.59 = 76,773.60 : x
  2. Step 2: Convert to fraction form
    161,057.88/241,537.59 = 76,773.60/x
  3. Step 3: Cross multiply
    161,057.88x = 241,537.59 × 76,773.60
  4. Step 4: Simplify right side
    161,057.88x = 18,543,710,319.62
  5. Step 5: Solve for x
    x = 18,543,710,319.62/161,057.88
  6. Step 6: Final answer
    x = 115,136.93

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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.