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Finding the Fourth Proportional to 241,331.90, 361,996.05 and 72,851.90

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Solution

The fourth proportional to 241,331.90, 361,996.05 and 72,851.90 is: 109,277.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,331.90 : 361,996.05 = 72,851.90 : x
  2. Step 2: Convert to fraction form
    241,331.90/361,996.05 = 72,851.90/x
  3. Step 3: Cross multiply
    241,331.90x = 361,996.05 × 72,851.90
  4. Step 4: Simplify right side
    241,331.90x = 26,372,100,035.00
  5. Step 5: Solve for x
    x = 26,372,100,035.00/241,331.90
  6. Step 6: Final answer
    x = 109,277.31

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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.