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Finding the Fourth Proportional to 220,008.63, 303,611.85 and 119,406.63

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Solution

The fourth proportional to 220,008.63, 303,611.85 and 119,406.63 is: 164,781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,008.63 : 303,611.85 = 119,406.63 : x
  2. Step 2: Convert to fraction form
    220,008.63/303,611.85 = 119,406.63/x
  3. Step 3: Cross multiply
    220,008.63x = 303,611.85 × 119,406.63
  4. Step 4: Simplify right side
    220,008.63x = 36,253,267,836.57
  5. Step 5: Solve for x
    x = 36,253,267,836.57/220,008.63
  6. Step 6: Final answer
    x = 164,781.12

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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.