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Finding the Fourth Proportional to 219,764.39, 303,276.69 and 119,162.39

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Solution

The fourth proportional to 219,764.39, 303,276.69 and 119,162.39 is: 164,445.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,764.39 : 303,276.69 = 119,162.39 : x
  2. Step 2: Convert to fraction form
    219,764.39/303,276.69 = 119,162.39/x
  3. Step 3: Cross multiply
    219,764.39x = 303,276.69 × 119,162.39
  4. Step 4: Simplify right side
    219,764.39x = 36,139,175,401.24
  5. Step 5: Solve for x
    x = 36,139,175,401.24/219,764.39
  6. Step 6: Final answer
    x = 164,445.09

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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.