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Finding the Fourth Proportional to 267,990.54, 369,834.17 and 151,695

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Solution

The fourth proportional to 267,990.54, 369,834.17 and 151,695 is: 209,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,990.54 : 369,834.17 = 151,695 : x
  2. Step 2: Convert to fraction form
    267,990.54/369,834.17 = 151,695/x
  3. Step 3: Cross multiply
    267,990.54x = 369,834.17 × 151,695
  4. Step 4: Simplify right side
    267,990.54x = 56,101,993,659.68
  5. Step 5: Solve for x
    x = 56,101,993,659.68/267,990.54
  6. Step 6: Final answer
    x = 209,343.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.