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Finding the Fourth Proportional to 108,655.37, 162,899.22 and 41,186.42

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Solution

The fourth proportional to 108,655.37, 162,899.22 and 41,186.42 is: 61,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,655.37 : 162,899.22 = 41,186.42 : x
  2. Step 2: Convert to fraction form
    108,655.37/162,899.22 = 41,186.42/x
  3. Step 3: Cross multiply
    108,655.37x = 162,899.22 × 41,186.42
  4. Step 4: Simplify right side
    108,655.37x = 6,709,236,099.84
  5. Step 5: Solve for x
    x = 6,709,236,099.84/108,655.37
  6. Step 6: Final answer
    x = 61,747.85

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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.