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Finding the Fourth Proportional to 113,730.94, 170,596.41 and 110,620.54

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Solution

The fourth proportional to 113,730.94, 170,596.41 and 110,620.54 is: 165,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,730.94 : 170,596.41 = 110,620.54 : x
  2. Step 2: Convert to fraction form
    113,730.94/170,596.41 = 110,620.54/x
  3. Step 3: Cross multiply
    113,730.94x = 170,596.41 × 110,620.54
  4. Step 4: Simplify right side
    113,730.94x = 18,871,466,996.26
  5. Step 5: Solve for x
    x = 18,871,466,996.26/113,730.94
  6. Step 6: Final answer
    x = 165,930.81

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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.