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Finding the Fourth Proportional to 230,963.92, 346,455.52 and 73,188.88

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Solution

The fourth proportional to 230,963.92, 346,455.52 and 73,188.88 is: 109,786.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,963.92 : 346,455.52 = 73,188.88 : x
  2. Step 2: Convert to fraction form
    230,963.92/346,455.52 = 73,188.88/x
  3. Step 3: Cross multiply
    230,963.92x = 346,455.52 × 73,188.88
  4. Step 4: Simplify right side
    230,963.92x = 25,356,691,478.62
  5. Step 5: Solve for x
    x = 25,356,691,478.62/230,963.92
  6. Step 6: Final answer
    x = 109,786.37

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1.5x scale

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.