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Finding the Fourth Proportional to 220,106.96, 330,116.70 and 107,738.90

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Solution

The fourth proportional to 220,106.96, 330,116.70 and 107,738.90 is: 161,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,106.96 : 330,116.70 = 107,738.90 : x
  2. Step 2: Convert to fraction form
    220,106.96/330,116.70 = 107,738.90/x
  3. Step 3: Cross multiply
    220,106.96x = 330,116.70 × 107,738.90
  4. Step 4: Simplify right side
    220,106.96x = 35,566,410,129.63
  5. Step 5: Solve for x
    x = 35,566,410,129.63/220,106.96
  6. Step 6: Final answer
    x = 161,586.94

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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.