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Finding the Fourth Proportional to 468,754.43, 703,173.18 and 131,798.02

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Solution

The fourth proportional to 468,754.43, 703,173.18 and 131,798.02 is: 197,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,754.43 : 703,173.18 = 131,798.02 : x
  2. Step 2: Convert to fraction form
    468,754.43/703,173.18 = 131,798.02/x
  3. Step 3: Cross multiply
    468,754.43x = 703,173.18 × 131,798.02
  4. Step 4: Simplify right side
    468,754.43x = 92,676,832,841.10
  5. Step 5: Solve for x
    x = 92,676,832,841.10/468,754.43
  6. Step 6: Final answer
    x = 197,708.71

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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.