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Finding the Fourth Proportional to 220,309, 304,027.26 and 119,707

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Solution

The fourth proportional to 220,309, 304,027.26 and 119,707 is: 165,196.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,309 : 304,027.26 = 119,707 : x
  2. Step 2: Convert to fraction form
    220,309/304,027.26 = 119,707/x
  3. Step 3: Cross multiply
    220,309x = 304,027.26 × 119,707
  4. Step 4: Simplify right side
    220,309x = 36,394,191,212.82
  5. Step 5: Solve for x
    x = 36,394,191,212.82/220,309
  6. Step 6: Final answer
    x = 165,196.12

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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.