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Finding the Fourth Proportional to 219,968.60, 303,556.66 and 119,366.60

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Solution

The fourth proportional to 219,968.60, 303,556.66 and 119,366.60 is: 164,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,968.60 : 303,556.66 = 119,366.60 : x
  2. Step 2: Convert to fraction form
    219,968.60/303,556.66 = 119,366.60/x
  3. Step 3: Cross multiply
    219,968.60x = 303,556.66 × 119,366.60
  4. Step 4: Simplify right side
    219,968.60x = 36,234,524,595.36
  5. Step 5: Solve for x
    x = 36,234,524,595.36/219,968.60
  6. Step 6: Final answer
    x = 164,725.90

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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.