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Finding the Fourth Proportional to 48,763.92, 73,145.88 and 17,166.54

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Solution

The fourth proportional to 48,763.92, 73,145.88 and 17,166.54 is: 25,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,763.92 : 73,145.88 = 17,166.54 : x
  2. Step 2: Convert to fraction form
    48,763.92/73,145.88 = 17,166.54/x
  3. Step 3: Cross multiply
    48,763.92x = 73,145.88 × 17,166.54
  4. Step 4: Simplify right side
    48,763.92x = 1,255,661,674.86
  5. Step 5: Solve for x
    x = 1,255,661,674.86/48,763.92
  6. Step 6: Final answer
    x = 25,749.81

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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.