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Finding the Fourth Proportional to 171,414.88, 257,134.56 and 53,071.04

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Solution

The fourth proportional to 171,414.88, 257,134.56 and 53,071.04 is: 79,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,414.88 : 257,134.56 = 53,071.04 : x
  2. Step 2: Convert to fraction form
    171,414.88/257,134.56 = 53,071.04/x
  3. Step 3: Cross multiply
    171,414.88x = 257,134.56 × 53,071.04
  4. Step 4: Simplify right side
    171,414.88x = 13,646,398,519.14
  5. Step 5: Solve for x
    x = 13,646,398,519.14/171,414.88
  6. Step 6: Final answer
    x = 79,610.35

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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.