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Finding the Fourth Proportional to 108,833.52, 150,188.76 and 61,086

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Solution

The fourth proportional to 108,833.52, 150,188.76 and 61,086 is: 84,297.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,833.52 : 150,188.76 = 61,086 : x
  2. Step 2: Convert to fraction form
    108,833.52/150,188.76 = 61,086/x
  3. Step 3: Cross multiply
    108,833.52x = 150,188.76 × 61,086
  4. Step 4: Simplify right side
    108,833.52x = 9,174,430,593.36
  5. Step 5: Solve for x
    x = 9,174,430,593.36/108,833.52
  6. Step 6: Final answer
    x = 84,297.84

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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.