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Finding the Fourth Proportional to 203,805.92, 304,336.47 and 166,440.12

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Solution

The fourth proportional to 203,805.92, 304,336.47 and 166,440.12 is: 248,539.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,805.92 : 304,336.47 = 166,440.12 : x
  2. Step 2: Convert to fraction form
    203,805.92/304,336.47 = 166,440.12/x
  3. Step 3: Cross multiply
    203,805.92x = 304,336.47 × 166,440.12
  4. Step 4: Simplify right side
    203,805.92x = 50,653,796,665.73
  5. Step 5: Solve for x
    x = 50,653,796,665.73/203,805.92
  6. Step 6: Final answer
    x = 248,539.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.