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Finding the Fourth Proportional to 108,487.44, 149,709.60 and 60,744.96

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Solution

The fourth proportional to 108,487.44, 149,709.60 and 60,744.96 is: 83,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,487.44 : 149,709.60 = 60,744.96 : x
  2. Step 2: Convert to fraction form
    108,487.44/149,709.60 = 60,744.96/x
  3. Step 3: Cross multiply
    108,487.44x = 149,709.60 × 60,744.96
  4. Step 4: Simplify right side
    108,487.44x = 9,094,103,663.62
  5. Step 5: Solve for x
    x = 9,094,103,663.62/108,487.44
  6. Step 6: Final answer
    x = 83,826.33

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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.