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Finding the Fourth Proportional to 220,156.44, 330,195.54 and 100,185.58

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Solution

The fourth proportional to 220,156.44, 330,195.54 and 100,185.58 is: 150,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,156.44 : 330,195.54 = 100,185.58 : x
  2. Step 2: Convert to fraction form
    220,156.44/330,195.54 = 100,185.58/x
  3. Step 3: Cross multiply
    220,156.44x = 330,195.54 × 100,185.58
  4. Step 4: Simplify right side
    220,156.44x = 33,080,831,688.31
  5. Step 5: Solve for x
    x = 33,080,831,688.31/220,156.44
  6. Step 6: Final answer
    x = 150,260.57

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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.