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Finding the Fourth Proportional to 219,996, 303,600.96 and 119,400.48

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Solution

The fourth proportional to 219,996, 303,600.96 and 119,400.48 is: 164,776.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,996 : 303,600.96 = 119,400.48 : x
  2. Step 2: Convert to fraction form
    219,996/303,600.96 = 119,400.48/x
  3. Step 3: Cross multiply
    219,996x = 303,600.96 × 119,400.48
  4. Step 4: Simplify right side
    219,996x = 36,250,100,352.46
  5. Step 5: Solve for x
    x = 36,250,100,352.46/219,996
  6. Step 6: Final answer
    x = 164,776.18

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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.