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Finding the Fourth Proportional to 133,099.60, 199,260.60 and 119,102.80

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Solution

The fourth proportional to 133,099.60, 199,260.60 and 119,102.80 is: 178,306.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,099.60 : 199,260.60 = 119,102.80 : x
  2. Step 2: Convert to fraction form
    133,099.60/199,260.60 = 119,102.80/x
  3. Step 3: Cross multiply
    133,099.60x = 199,260.60 × 119,102.80
  4. Step 4: Simplify right side
    133,099.60x = 23,732,495,389.68
  5. Step 5: Solve for x
    x = 23,732,495,389.68/133,099.60
  6. Step 6: Final answer
    x = 178,306.29

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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.