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Finding the Fourth Proportional to 108,727.44, 150,051.36 and 60,983.87

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Solution

The fourth proportional to 108,727.44, 150,051.36 and 60,983.87 is: 84,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,727.44 : 150,051.36 = 60,983.87 : x
  2. Step 2: Convert to fraction form
    108,727.44/150,051.36 = 60,983.87/x
  3. Step 3: Cross multiply
    108,727.44x = 150,051.36 × 60,983.87
  4. Step 4: Simplify right side
    108,727.44x = 9,150,711,881.31
  5. Step 5: Solve for x
    x = 9,150,711,881.31/108,727.44
  6. Step 6: Final answer
    x = 84,161.94

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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.