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Finding the Fourth Proportional to 105,372.52, 158,025.92 and 35,235.44

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Solution

The fourth proportional to 105,372.52, 158,025.92 and 35,235.44 is: 52,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,372.52 : 158,025.92 = 35,235.44 : x
  2. Step 2: Convert to fraction form
    105,372.52/158,025.92 = 35,235.44/x
  3. Step 3: Cross multiply
    105,372.52x = 158,025.92 × 35,235.44
  4. Step 4: Simplify right side
    105,372.52x = 5,568,112,822.60
  5. Step 5: Solve for x
    x = 5,568,112,822.60/105,372.52
  6. Step 6: Final answer
    x = 52,842.17

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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.