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Finding the Fourth Proportional to 235,269.36, 324,671.01 and 127,839.72

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Solution

The fourth proportional to 235,269.36, 324,671.01 and 127,839.72 is: 176,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,269.36 : 324,671.01 = 127,839.72 : x
  2. Step 2: Convert to fraction form
    235,269.36/324,671.01 = 127,839.72/x
  3. Step 3: Cross multiply
    235,269.36x = 324,671.01 × 127,839.72
  4. Step 4: Simplify right side
    235,269.36x = 41,505,851,010.52
  5. Step 5: Solve for x
    x = 41,505,851,010.52/235,269.36
  6. Step 6: Final answer
    x = 176,418.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.