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Finding the Fourth Proportional to 185,396, 275,709 and 179,491.20

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Solution

The fourth proportional to 185,396, 275,709 and 179,491.20 is: 266,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,396 : 275,709 = 179,491.20 : x
  2. Step 2: Convert to fraction form
    185,396/275,709 = 179,491.20/x
  3. Step 3: Cross multiply
    185,396x = 275,709 × 179,491.20
  4. Step 4: Simplify right side
    185,396x = 49,487,339,260.80
  5. Step 5: Solve for x
    x = 49,487,339,260.80/185,396
  6. Step 6: Final answer
    x = 266,927.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.