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Finding the Fourth Proportional to 220,114.46, 303,759.16 and 119,512.46

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Solution

The fourth proportional to 220,114.46, 303,759.16 and 119,512.46 is: 164,927.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,114.46 : 303,759.16 = 119,512.46 : x
  2. Step 2: Convert to fraction form
    220,114.46/303,759.16 = 119,512.46/x
  3. Step 3: Cross multiply
    220,114.46x = 303,759.16 × 119,512.46
  4. Step 4: Simplify right side
    220,114.46x = 36,303,002,641.56
  5. Step 5: Solve for x
    x = 36,303,002,641.56/220,114.46
  6. Step 6: Final answer
    x = 164,927.84

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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.