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Finding the Fourth Proportional to 108,806.33, 150,163.52 and 61,059.87

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Solution

The fourth proportional to 108,806.33, 150,163.52 and 61,059.87 is: 84,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,806.33 : 150,163.52 = 61,059.87 : x
  2. Step 2: Convert to fraction form
    108,806.33/150,163.52 = 61,059.87/x
  3. Step 3: Cross multiply
    108,806.33x = 150,163.52 × 61,059.87
  4. Step 4: Simplify right side
    108,806.33x = 9,168,965,009.94
  5. Step 5: Solve for x
    x = 9,168,965,009.94/108,806.33
  6. Step 6: Final answer
    x = 84,268.67

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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.