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Finding the Fourth Proportional to 215,248.64, 322,945.62 and 95,289.05

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Solution

The fourth proportional to 215,248.64, 322,945.62 and 95,289.05 is: 142,965.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,248.64 : 322,945.62 = 95,289.05 : x
  2. Step 2: Convert to fraction form
    215,248.64/322,945.62 = 95,289.05/x
  3. Step 3: Cross multiply
    215,248.64x = 322,945.62 × 95,289.05
  4. Step 4: Simplify right side
    215,248.64x = 30,773,179,716.73
  5. Step 5: Solve for x
    x = 30,773,179,716.73/215,248.64
  6. Step 6: Final answer
    x = 142,965.73

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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.