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Finding the Fourth Proportional to 167,910.30, 251,865.45 and 57,102.30

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Solution

The fourth proportional to 167,910.30, 251,865.45 and 57,102.30 is: 85,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,910.30 : 251,865.45 = 57,102.30 : x
  2. Step 2: Convert to fraction form
    167,910.30/251,865.45 = 57,102.30/x
  3. Step 3: Cross multiply
    167,910.30x = 251,865.45 × 57,102.30
  4. Step 4: Simplify right side
    167,910.30x = 14,382,096,485.54
  5. Step 5: Solve for x
    x = 14,382,096,485.54/167,910.30
  6. Step 6: Final answer
    x = 85,653.45

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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.