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Finding the Fourth Proportional to 220,247.64, 303,989.04 and 134,234.64

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Solution

The fourth proportional to 220,247.64, 303,989.04 and 134,234.64 is: 185,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,247.64 : 303,989.04 = 134,234.64 : x
  2. Step 2: Convert to fraction form
    220,247.64/303,989.04 = 134,234.64/x
  3. Step 3: Cross multiply
    220,247.64x = 303,989.04 × 134,234.64
  4. Step 4: Simplify right side
    220,247.64x = 40,805,859,348.35
  5. Step 5: Solve for x
    x = 40,805,859,348.35/220,247.64
  6. Step 6: Final answer
    x = 185,272.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.