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Finding the Fourth Proportional to 199,874.20, 299,825.88 and 63,085.18

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Solution

The fourth proportional to 199,874.20, 299,825.88 and 63,085.18 is: 94,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,874.20 : 299,825.88 = 63,085.18 : x
  2. Step 2: Convert to fraction form
    199,874.20/299,825.88 = 63,085.18/x
  3. Step 3: Cross multiply
    199,874.20x = 299,825.88 × 63,085.18
  4. Step 4: Simplify right side
    199,874.20x = 18,914,569,608.46
  5. Step 5: Solve for x
    x = 18,914,569,608.46/199,874.20
  6. Step 6: Final answer
    x = 94,632.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.