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Finding the Fourth Proportional to 220,305.96, 304,023.78 and 119,703.96

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Solution

The fourth proportional to 220,305.96, 304,023.78 and 119,703.96 is: 165,192.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,305.96 : 304,023.78 = 119,703.96 : x
  2. Step 2: Convert to fraction form
    220,305.96/304,023.78 = 119,703.96/x
  3. Step 3: Cross multiply
    220,305.96x = 304,023.78 × 119,703.96
  4. Step 4: Simplify right side
    220,305.96x = 36,392,850,400.17
  5. Step 5: Solve for x
    x = 36,392,850,400.17/220,305.96
  6. Step 6: Final answer
    x = 165,192.31

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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.