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Finding the Fourth Proportional to 241,294.85, 361,945.03 and 72,816.63

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Solution

The fourth proportional to 241,294.85, 361,945.03 and 72,816.63 is: 109,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,294.85 : 361,945.03 = 72,816.63 : x
  2. Step 2: Convert to fraction form
    241,294.85/361,945.03 = 72,816.63/x
  3. Step 3: Cross multiply
    241,294.85x = 361,945.03 × 72,816.63
  4. Step 4: Simplify right side
    241,294.85x = 26,355,617,329.85
  5. Step 5: Solve for x
    x = 26,355,617,329.85/241,294.85
  6. Step 6: Final answer
    x = 109,225.78

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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.