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Finding the Fourth Proportional to 171,662.40, 257,494.08 and 53,351.04

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Solution

The fourth proportional to 171,662.40, 257,494.08 and 53,351.04 is: 80,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,662.40 : 257,494.08 = 53,351.04 : x
  2. Step 2: Convert to fraction form
    171,662.40/257,494.08 = 53,351.04/x
  3. Step 3: Cross multiply
    171,662.40x = 257,494.08 × 53,351.04
  4. Step 4: Simplify right side
    171,662.40x = 13,737,576,961.84
  5. Step 5: Solve for x
    x = 13,737,576,961.84/171,662.40
  6. Step 6: Final answer
    x = 80,026.71

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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.