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Finding the Fourth Proportional to 235,752.09, 353,631.39 and 67,272.38

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Solution

The fourth proportional to 235,752.09, 353,631.39 and 67,272.38 is: 100,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,752.09 : 353,631.39 = 67,272.38 : x
  2. Step 2: Convert to fraction form
    235,752.09/353,631.39 = 67,272.38/x
  3. Step 3: Cross multiply
    235,752.09x = 353,631.39 × 67,272.38
  4. Step 4: Simplify right side
    235,752.09x = 23,789,624,144.62
  5. Step 5: Solve for x
    x = 23,789,624,144.62/235,752.09
  6. Step 6: Final answer
    x = 100,909.49

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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.