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Finding the Fourth Proportional to 468,046.80, 702,183.60 and 135,622.80

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Solution

The fourth proportional to 468,046.80, 702,183.60 and 135,622.80 is: 203,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,046.80 : 702,183.60 = 135,622.80 : x
  2. Step 2: Convert to fraction form
    468,046.80/702,183.60 = 135,622.80/x
  3. Step 3: Cross multiply
    468,046.80x = 702,183.60 × 135,622.80
  4. Step 4: Simplify right side
    468,046.80x = 95,232,105,946.08
  5. Step 5: Solve for x
    x = 95,232,105,946.08/468,046.80
  6. Step 6: Final answer
    x = 203,467.06

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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.