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Finding the Fourth Proportional to 299,834.53, 413,731.66 and 192,549.88

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Solution

The fourth proportional to 299,834.53, 413,731.66 and 192,549.88 is: 265,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,834.53 : 413,731.66 = 192,549.88 : x
  2. Step 2: Convert to fraction form
    299,834.53/413,731.66 = 192,549.88/x
  3. Step 3: Cross multiply
    299,834.53x = 413,731.66 × 192,549.88
  4. Step 4: Simplify right side
    299,834.53x = 79,663,981,485.20
  5. Step 5: Solve for x
    x = 79,663,981,485.20/299,834.53
  6. Step 6: Final answer
    x = 265,693.15

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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.