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Finding the Fourth Proportional to 169,391.79, 254,046.38 and 57,042.77

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Solution

The fourth proportional to 169,391.79, 254,046.38 and 57,042.77 is: 85,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,391.79 : 254,046.38 = 57,042.77 : x
  2. Step 2: Convert to fraction form
    169,391.79/254,046.38 = 57,042.77/x
  3. Step 3: Cross multiply
    169,391.79x = 254,046.38 × 57,042.77
  4. Step 4: Simplify right side
    169,391.79x = 14,491,507,668.23
  5. Step 5: Solve for x
    x = 14,491,507,668.23/169,391.79
  6. Step 6: Final answer
    x = 85,550.24

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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.