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Finding the Fourth Proportional to 360,843.66, 541,445.92 and 161,307.25

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Solution

The fourth proportional to 360,843.66, 541,445.92 and 161,307.25 is: 242,041.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,843.66 : 541,445.92 = 161,307.25 : x
  2. Step 2: Convert to fraction form
    360,843.66/541,445.92 = 161,307.25/x
  3. Step 3: Cross multiply
    360,843.66x = 541,445.92 × 161,307.25
  4. Step 4: Simplify right side
    360,843.66x = 87,339,150,622.04
  5. Step 5: Solve for x
    x = 87,339,150,622.04/360,843.66
  6. Step 6: Final answer
    x = 242,041.53

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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.