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Finding the Fourth Proportional to 172,034.80, 258,052.22 and 53,716.27

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Solution

The fourth proportional to 172,034.80, 258,052.22 and 53,716.27 is: 80,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,034.80 : 258,052.22 = 53,716.27 : x
  2. Step 2: Convert to fraction form
    172,034.80/258,052.22 = 53,716.27/x
  3. Step 3: Cross multiply
    172,034.80x = 258,052.22 × 53,716.27
  4. Step 4: Simplify right side
    172,034.80x = 13,861,602,723.62
  5. Step 5: Solve for x
    x = 13,861,602,723.62/172,034.80
  6. Step 6: Final answer
    x = 80,574.41

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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.