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Finding the Fourth Proportional to 169,391.88, 253,996.92 and 57,034.62

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Solution

The fourth proportional to 169,391.88, 253,996.92 and 57,034.62 is: 85,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,391.88 : 253,996.92 = 57,034.62 : x
  2. Step 2: Convert to fraction form
    169,391.88/253,996.92 = 57,034.62/x
  3. Step 3: Cross multiply
    169,391.88x = 253,996.92 × 57,034.62
  4. Step 4: Simplify right side
    169,391.88x = 14,486,617,813.37
  5. Step 5: Solve for x
    x = 14,486,617,813.37/169,391.88
  6. Step 6: Final answer
    x = 85,521.32

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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.