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Finding the Fourth Proportional to 241,220.23, 361,858.29 and 91,572.33

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Solution

The fourth proportional to 241,220.23, 361,858.29 and 91,572.33 is: 137,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,220.23 : 361,858.29 = 91,572.33 : x
  2. Step 2: Convert to fraction form
    241,220.23/361,858.29 = 91,572.33/x
  3. Step 3: Cross multiply
    241,220.23x = 361,858.29 × 91,572.33
  4. Step 4: Simplify right side
    241,220.23x = 33,136,206,745.12
  5. Step 5: Solve for x
    x = 33,136,206,745.12/241,220.23
  6. Step 6: Final answer
    x = 137,369.10

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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.