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Finding the Fourth Proportional to 220,008.80, 303,612.50 and 119,407.04

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Solution

The fourth proportional to 220,008.80, 303,612.50 and 119,407.04 is: 164,781.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,008.80 : 303,612.50 = 119,407.04 : x
  2. Step 2: Convert to fraction form
    220,008.80/303,612.50 = 119,407.04/x
  3. Step 3: Cross multiply
    220,008.80x = 303,612.50 × 119,407.04
  4. Step 4: Simplify right side
    220,008.80x = 36,253,469,932
  5. Step 5: Solve for x
    x = 36,253,469,932/220,008.80
  6. Step 6: Final answer
    x = 164,781.91

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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.