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Finding the Fourth Proportional to 203,601.44, 305,431.28 and 63,374.24

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Solution

The fourth proportional to 203,601.44, 305,431.28 and 63,374.24 is: 95,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,601.44 : 305,431.28 = 63,374.24 : x
  2. Step 2: Convert to fraction form
    203,601.44/305,431.28 = 63,374.24/x
  3. Step 3: Cross multiply
    203,601.44x = 305,431.28 × 63,374.24
  4. Step 4: Simplify right side
    203,601.44x = 19,356,475,242.23
  5. Step 5: Solve for x
    x = 19,356,475,242.23/203,601.44
  6. Step 6: Final answer
    x = 95,070.42

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1.5x scale

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.