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Finding the Fourth Proportional to 119,963.30, 179,838 and 60,768.50

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Solution

The fourth proportional to 119,963.30, 179,838 and 60,768.50 is: 91,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,963.30 : 179,838 = 60,768.50 : x
  2. Step 2: Convert to fraction form
    119,963.30/179,838 = 60,768.50/x
  3. Step 3: Cross multiply
    119,963.30x = 179,838 × 60,768.50
  4. Step 4: Simplify right side
    119,963.30x = 10,928,485,503
  5. Step 5: Solve for x
    x = 10,928,485,503/119,963.30
  6. Step 6: Final answer
    x = 91,098.57

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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.