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Finding the Fourth Proportional to 48,751.92, 73,133.37 and 19,165.86

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Solution

The fourth proportional to 48,751.92, 73,133.37 and 19,165.86 is: 28,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,751.92 : 73,133.37 = 19,165.86 : x
  2. Step 2: Convert to fraction form
    48,751.92/73,133.37 = 19,165.86/x
  3. Step 3: Cross multiply
    48,751.92x = 73,133.37 × 19,165.86
  4. Step 4: Simplify right side
    48,751.92x = 1,401,663,930.75
  5. Step 5: Solve for x
    x = 1,401,663,930.75/48,751.92
  6. Step 6: Final answer
    x = 28,750.95

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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.