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Finding the Fourth Proportional to 169,372.86, 254,059.38 and 43,022.58

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Solution

The fourth proportional to 169,372.86, 254,059.38 and 43,022.58 is: 64,533.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,372.86 : 254,059.38 = 43,022.58 : x
  2. Step 2: Convert to fraction form
    169,372.86/254,059.38 = 43,022.58/x
  3. Step 3: Cross multiply
    169,372.86x = 254,059.38 × 43,022.58
  4. Step 4: Simplify right side
    169,372.86x = 10,930,290,000.80
  5. Step 5: Solve for x
    x = 10,930,290,000.80/169,372.86
  6. Step 6: Final answer
    x = 64,533.89

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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.