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Finding the Fourth Proportional to 220,000.80, 303,601.44 and 119,399.04

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Solution

The fourth proportional to 220,000.80, 303,601.44 and 119,399.04 is: 164,770.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,000.80 : 303,601.44 = 119,399.04 : x
  2. Step 2: Convert to fraction form
    220,000.80/303,601.44 = 119,399.04/x
  3. Step 3: Cross multiply
    220,000.80x = 303,601.44 × 119,399.04
  4. Step 4: Simplify right side
    220,000.80x = 36,249,720,478.62
  5. Step 5: Solve for x
    x = 36,249,720,478.62/220,000.80
  6. Step 6: Final answer
    x = 164,770.86

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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.