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Finding the Fourth Proportional to 235,963.56, 325,620.50 and 144,236.41

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Solution

The fourth proportional to 235,963.56, 325,620.50 and 144,236.41 is: 199,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,963.56 : 325,620.50 = 144,236.41 : x
  2. Step 2: Convert to fraction form
    235,963.56/325,620.50 = 144,236.41/x
  3. Step 3: Cross multiply
    235,963.56x = 325,620.50 × 144,236.41
  4. Step 4: Simplify right side
    235,963.56x = 46,966,331,270.74
  5. Step 5: Solve for x
    x = 46,966,331,270.74/235,963.56
  6. Step 6: Final answer
    x = 199,040.62

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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.