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Finding the Fourth Proportional to 169,372.10, 254,058.26 and 43,021.82

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Solution

The fourth proportional to 169,372.10, 254,058.26 and 43,021.82 is: 64,532.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,372.10 : 254,058.26 = 43,021.82 : x
  2. Step 2: Convert to fraction form
    169,372.10/254,058.26 = 43,021.82/x
  3. Step 3: Cross multiply
    169,372.10x = 254,058.26 × 43,021.82
  4. Step 4: Simplify right side
    169,372.10x = 10,930,048,731.23
  5. Step 5: Solve for x
    x = 10,930,048,731.23/169,372.10
  6. Step 6: Final answer
    x = 64,532.76

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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.