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Finding the Fourth Proportional to 108,806.58, 150,163.87 and 61,060.12

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Solution

The fourth proportional to 108,806.58, 150,163.87 and 61,060.12 is: 84,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,806.58 : 150,163.87 = 61,060.12 : x
  2. Step 2: Convert to fraction form
    108,806.58/150,163.87 = 61,060.12/x
  3. Step 3: Cross multiply
    108,806.58x = 150,163.87 × 61,060.12
  4. Step 4: Simplify right side
    108,806.58x = 9,169,023,171.05
  5. Step 5: Solve for x
    x = 9,169,023,171.05/108,806.58
  6. Step 6: Final answer
    x = 84,269.01

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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.