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Finding the Fourth Proportional to 240,744.89, 361,116.46 and 72,264.49

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Solution

The fourth proportional to 240,744.89, 361,116.46 and 72,264.49 is: 108,396.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,744.89 : 361,116.46 = 72,264.49 : x
  2. Step 2: Convert to fraction form
    240,744.89/361,116.46 = 72,264.49/x
  3. Step 3: Cross multiply
    240,744.89x = 361,116.46 × 72,264.49
  4. Step 4: Simplify right side
    240,744.89x = 26,095,896,000.04
  5. Step 5: Solve for x
    x = 26,095,896,000.04/240,744.89
  6. Step 6: Final answer
    x = 108,396.47

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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.