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Finding the Fourth Proportional to 230,519.52, 345,798.72 and 72,757.44

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Solution

The fourth proportional to 230,519.52, 345,798.72 and 72,757.44 is: 109,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,519.52 : 345,798.72 = 72,757.44 : x
  2. Step 2: Convert to fraction form
    230,519.52/345,798.72 = 72,757.44/x
  3. Step 3: Cross multiply
    230,519.52x = 345,798.72 × 72,757.44
  4. Step 4: Simplify right side
    230,519.52x = 25,159,429,622.48
  5. Step 5: Solve for x
    x = 25,159,429,622.48/230,519.52
  6. Step 6: Final answer
    x = 109,142.30

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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.