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Finding the Fourth Proportional to 119,512.92, 164,933.79 and 65,797.38

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Solution

The fourth proportional to 119,512.92, 164,933.79 and 65,797.38 is: 90,803.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,512.92 : 164,933.79 = 65,797.38 : x
  2. Step 2: Convert to fraction form
    119,512.92/164,933.79 = 65,797.38/x
  3. Step 3: Cross multiply
    119,512.92x = 164,933.79 × 65,797.38
  4. Step 4: Simplify right side
    119,512.92x = 10,852,211,255.47
  5. Step 5: Solve for x
    x = 10,852,211,255.47/119,512.92
  6. Step 6: Final answer
    x = 90,803.67

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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.