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Finding the Fourth Proportional to 119,795.52, 179,236.44 and 72,235.56

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Solution

The fourth proportional to 119,795.52, 179,236.44 and 72,235.56 is: 108,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,795.52 : 179,236.44 = 72,235.56 : x
  2. Step 2: Convert to fraction form
    119,795.52/179,236.44 = 72,235.56/x
  3. Step 3: Cross multiply
    119,795.52x = 179,236.44 × 72,235.56
  4. Step 4: Simplify right side
    119,795.52x = 12,947,244,615.81
  5. Step 5: Solve for x
    x = 12,947,244,615.81/119,795.52
  6. Step 6: Final answer
    x = 108,077.87

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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.