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Finding the Fourth Proportional to 374,229.84, 560,966.52 and 161,136.72

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Solution

The fourth proportional to 374,229.84, 560,966.52 and 161,136.72 is: 241,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,229.84 : 560,966.52 = 161,136.72 : x
  2. Step 2: Convert to fraction form
    374,229.84/560,966.52 = 161,136.72/x
  3. Step 3: Cross multiply
    374,229.84x = 560,966.52 × 161,136.72
  4. Step 4: Simplify right side
    374,229.84x = 90,392,305,062.61
  5. Step 5: Solve for x
    x = 90,392,305,062.61/374,229.84
  6. Step 6: Final answer
    x = 241,542.22

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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.