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Finding the Fourth Proportional to 203,853.60, 305,175.60 and 151,495.20

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Solution

The fourth proportional to 203,853.60, 305,175.60 and 151,495.20 is: 226,793.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,853.60 : 305,175.60 = 151,495.20 : x
  2. Step 2: Convert to fraction form
    203,853.60/305,175.60 = 151,495.20/x
  3. Step 3: Cross multiply
    203,853.60x = 305,175.60 × 151,495.20
  4. Step 4: Simplify right side
    203,853.60x = 46,232,638,557.12
  5. Step 5: Solve for x
    x = 46,232,638,557.12/203,853.60
  6. Step 6: Final answer
    x = 226,793.34

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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.