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Finding the Fourth Proportional to 108,727.44, 150,051.35 and 60,983.86

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Solution

The fourth proportional to 108,727.44, 150,051.35 and 60,983.86 is: 84,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,727.44 : 150,051.35 = 60,983.86 : x
  2. Step 2: Convert to fraction form
    108,727.44/150,051.35 = 60,983.86/x
  3. Step 3: Cross multiply
    108,727.44x = 150,051.35 × 60,983.86
  4. Step 4: Simplify right side
    108,727.44x = 9,150,710,298.54
  5. Step 5: Solve for x
    x = 9,150,710,298.54/108,727.44
  6. Step 6: Final answer
    x = 84,161.92

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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.