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Finding the Fourth Proportional to 204,924.80, 307,059.15 and 134,722.10

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Solution

The fourth proportional to 204,924.80, 307,059.15 and 134,722.10 is: 201,867.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,924.80 : 307,059.15 = 134,722.10 : x
  2. Step 2: Convert to fraction form
    204,924.80/307,059.15 = 134,722.10/x
  3. Step 3: Cross multiply
    204,924.80x = 307,059.15 × 134,722.10
  4. Step 4: Simplify right side
    204,924.80x = 41,367,653,512.22
  5. Step 5: Solve for x
    x = 41,367,653,512.22/204,924.80
  6. Step 6: Final answer
    x = 201,867.48

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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.