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Finding the Fourth Proportional to 235,819.52, 353,743.12 and 67,326.88

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Solution

The fourth proportional to 235,819.52, 353,743.12 and 67,326.88 is: 100,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,819.52 : 353,743.12 = 67,326.88 : x
  2. Step 2: Convert to fraction form
    235,819.52/353,743.12 = 67,326.88/x
  3. Step 3: Cross multiply
    235,819.52x = 353,743.12 × 67,326.88
  4. Step 4: Simplify right side
    235,819.52x = 23,816,420,591.07
  5. Step 5: Solve for x
    x = 23,816,420,591.07/235,819.52
  6. Step 6: Final answer
    x = 100,994.27

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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.