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Finding the Fourth Proportional to 220,333.68, 304,059.92 and 119,731.68

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Solution

The fourth proportional to 220,333.68, 304,059.92 and 119,731.68 is: 165,229.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,333.68 : 304,059.92 = 119,731.68 : x
  2. Step 2: Convert to fraction form
    220,333.68/304,059.92 = 119,731.68/x
  3. Step 3: Cross multiply
    220,333.68x = 304,059.92 × 119,731.68
  4. Step 4: Simplify right side
    220,333.68x = 36,405,605,042.27
  5. Step 5: Solve for x
    x = 36,405,605,042.27/220,333.68
  6. Step 6: Final answer
    x = 165,229.41

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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.