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Finding the Fourth Proportional to 203,530.32, 305,305.07 and 167,925.66

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Solution

The fourth proportional to 203,530.32, 305,305.07 and 167,925.66 is: 251,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,530.32 : 305,305.07 = 167,925.66 : x
  2. Step 2: Convert to fraction form
    203,530.32/305,305.07 = 167,925.66/x
  3. Step 3: Cross multiply
    203,530.32x = 305,305.07 × 167,925.66
  4. Step 4: Simplify right side
    203,530.32x = 51,268,553,396.57
  5. Step 5: Solve for x
    x = 51,268,553,396.57/203,530.32
  6. Step 6: Final answer
    x = 251,896.39

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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.