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Finding the Fourth Proportional to 219,990.24, 303,584.76 and 119,388.24

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Solution

The fourth proportional to 219,990.24, 303,584.76 and 119,388.24 is: 164,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,990.24 : 303,584.76 = 119,388.24 : x
  2. Step 2: Convert to fraction form
    219,990.24/303,584.76 = 119,388.24/x
  3. Step 3: Cross multiply
    219,990.24x = 303,584.76 × 119,388.24
  4. Step 4: Simplify right side
    219,990.24x = 36,244,450,187.22
  5. Step 5: Solve for x
    x = 36,244,450,187.22/219,990.24
  6. Step 6: Final answer
    x = 164,754.81

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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.