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Finding the Fourth Proportional to 220,224.32, 330,336.68 and 54,012.32

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Solution

The fourth proportional to 220,224.32, 330,336.68 and 54,012.32 is: 81,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,224.32 : 330,336.68 = 54,012.32 : x
  2. Step 2: Convert to fraction form
    220,224.32/330,336.68 = 54,012.32/x
  3. Step 3: Cross multiply
    220,224.32x = 330,336.68 × 54,012.32
  4. Step 4: Simplify right side
    220,224.32x = 17,842,250,467.90
  5. Step 5: Solve for x
    x = 17,842,250,467.90/220,224.32
  6. Step 6: Final answer
    x = 81,018.53

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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.