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Finding the Fourth Proportional to 261,694.80, 361,172.52 and 176,806.80

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Solution

The fourth proportional to 261,694.80, 361,172.52 and 176,806.80 is: 244,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,694.80 : 361,172.52 = 176,806.80 : x
  2. Step 2: Convert to fraction form
    261,694.80/361,172.52 = 176,806.80/x
  3. Step 3: Cross multiply
    261,694.80x = 361,172.52 × 176,806.80
  4. Step 4: Simplify right side
    261,694.80x = 63,857,757,509.14
  5. Step 5: Solve for x
    x = 63,857,757,509.14/261,694.80
  6. Step 6: Final answer
    x = 244,016.15

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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.