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Finding the Fourth Proportional to 203,716.65, 304,203 and 166,349.73

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Solution

The fourth proportional to 203,716.65, 304,203 and 166,349.73 is: 248,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,716.65 : 304,203 = 166,349.73 : x
  2. Step 2: Convert to fraction form
    203,716.65/304,203 = 166,349.73/x
  3. Step 3: Cross multiply
    203,716.65x = 304,203 × 166,349.73
  4. Step 4: Simplify right side
    203,716.65x = 50,604,086,915.19
  5. Step 5: Solve for x
    x = 50,604,086,915.19/203,716.65
  6. Step 6: Final answer
    x = 248,404.28

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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.