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Finding the Fourth Proportional to 224,096.80, 336,145.20 and 118,861.60

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Solution

The fourth proportional to 224,096.80, 336,145.20 and 118,861.60 is: 178,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,096.80 : 336,145.20 = 118,861.60 : x
  2. Step 2: Convert to fraction form
    224,096.80/336,145.20 = 118,861.60/x
  3. Step 3: Cross multiply
    224,096.80x = 336,145.20 × 118,861.60
  4. Step 4: Simplify right side
    224,096.80x = 39,954,756,304.32
  5. Step 5: Solve for x
    x = 39,954,756,304.32/224,096.80
  6. Step 6: Final answer
    x = 178,292.40

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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.