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Finding the Fourth Proportional to 67,328.80, 100,906.80 and 32,192.80

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Solution

The fourth proportional to 67,328.80, 100,906.80 and 32,192.80 is: 48,247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,328.80 : 100,906.80 = 32,192.80 : x
  2. Step 2: Convert to fraction form
    67,328.80/100,906.80 = 32,192.80/x
  3. Step 3: Cross multiply
    67,328.80x = 100,906.80 × 32,192.80
  4. Step 4: Simplify right side
    67,328.80x = 3,248,472,431.04
  5. Step 5: Solve for x
    x = 3,248,472,431.04/67,328.80
  6. Step 6: Final answer
    x = 48,247.89

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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.