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Finding the Fourth Proportional to 261,003.87, 360,052.70 and 162,805.95

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Solution

The fourth proportional to 261,003.87, 360,052.70 and 162,805.95 is: 224,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,003.87 : 360,052.70 = 162,805.95 : x
  2. Step 2: Convert to fraction form
    261,003.87/360,052.70 = 162,805.95/x
  3. Step 3: Cross multiply
    261,003.87x = 360,052.70 × 162,805.95
  4. Step 4: Simplify right side
    261,003.87x = 58,618,721,059.54
  5. Step 5: Solve for x
    x = 58,618,721,059.54/261,003.87
  6. Step 6: Final answer
    x = 224,589.47

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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.