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Finding the Fourth Proportional to 224,512.80, 336,769.20 and 119,277.60

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Solution

The fourth proportional to 224,512.80, 336,769.20 and 119,277.60 is: 178,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,512.80 : 336,769.20 = 119,277.60 : x
  2. Step 2: Convert to fraction form
    224,512.80/336,769.20 = 119,277.60/x
  3. Step 3: Cross multiply
    224,512.80x = 336,769.20 × 119,277.60
  4. Step 4: Simplify right side
    224,512.80x = 40,169,021,929.92
  5. Step 5: Solve for x
    x = 40,169,021,929.92/224,512.80
  6. Step 6: Final answer
    x = 178,916.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.