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Finding the Fourth Proportional to 232,885.20, 349,327.80 and 85,198.80

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Solution

The fourth proportional to 232,885.20, 349,327.80 and 85,198.80 is: 127,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,885.20 : 349,327.80 = 85,198.80 : x
  2. Step 2: Convert to fraction form
    232,885.20/349,327.80 = 85,198.80/x
  3. Step 3: Cross multiply
    232,885.20x = 349,327.80 × 85,198.80
  4. Step 4: Simplify right side
    232,885.20x = 29,762,309,366.64
  5. Step 5: Solve for x
    x = 29,762,309,366.64/232,885.20
  6. Step 6: Final answer
    x = 127,798.20

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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.