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Finding the Fourth Proportional to 372,084.66, 558,114.33 and 161,722.62

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Solution

The fourth proportional to 372,084.66, 558,114.33 and 161,722.62 is: 242,578.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,084.66 : 558,114.33 = 161,722.62 : x
  2. Step 2: Convert to fraction form
    372,084.66/558,114.33 = 161,722.62/x
  3. Step 3: Cross multiply
    372,084.66x = 558,114.33 × 161,722.62
  4. Step 4: Simplify right side
    372,084.66x = 90,259,711,707.14
  5. Step 5: Solve for x
    x = 90,259,711,707.14/372,084.66
  6. Step 6: Final answer
    x = 242,578.43

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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.