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Finding the Fourth Proportional to 183,469.20, 275,203.80 and 153,944.70

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Solution

The fourth proportional to 183,469.20, 275,203.80 and 153,944.70 is: 230,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,469.20 : 275,203.80 = 153,944.70 : x
  2. Step 2: Convert to fraction form
    183,469.20/275,203.80 = 153,944.70/x
  3. Step 3: Cross multiply
    183,469.20x = 275,203.80 × 153,944.70
  4. Step 4: Simplify right side
    183,469.20x = 42,366,166,429.86
  5. Step 5: Solve for x
    x = 42,366,166,429.86/183,469.20
  6. Step 6: Final answer
    x = 230,917.05

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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.