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Finding the Fourth Proportional to 235,053.42, 352,505.25 and 77,245.44

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Solution

The fourth proportional to 235,053.42, 352,505.25 and 77,245.44 is: 115,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,053.42 : 352,505.25 = 77,245.44 : x
  2. Step 2: Convert to fraction form
    235,053.42/352,505.25 = 77,245.44/x
  3. Step 3: Cross multiply
    235,053.42x = 352,505.25 × 77,245.44
  4. Step 4: Simplify right side
    235,053.42x = 27,229,423,138.56
  5. Step 5: Solve for x
    x = 27,229,423,138.56/235,053.42
  6. Step 6: Final answer
    x = 115,843.55

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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.