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Finding the Fourth Proportional to 219,792.48, 303,312.24 and 119,190.24

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Solution

The fourth proportional to 219,792.48, 303,312.24 and 119,190.24 is: 164,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,792.48 : 303,312.24 = 119,190.24 : x
  2. Step 2: Convert to fraction form
    219,792.48/303,312.24 = 119,190.24/x
  3. Step 3: Cross multiply
    219,792.48x = 303,312.24 × 119,190.24
  4. Step 4: Simplify right side
    219,792.48x = 36,151,858,680.54
  5. Step 5: Solve for x
    x = 36,151,858,680.54/219,792.48
  6. Step 6: Final answer
    x = 164,481.78

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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.