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Finding the Fourth Proportional to 184,681.58, 276,819.32 and 72,340.85

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Solution

The fourth proportional to 184,681.58, 276,819.32 and 72,340.85 is: 108,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,681.58 : 276,819.32 = 72,340.85 : x
  2. Step 2: Convert to fraction form
    184,681.58/276,819.32 = 72,340.85/x
  3. Step 3: Cross multiply
    184,681.58x = 276,819.32 × 72,340.85
  4. Step 4: Simplify right side
    184,681.58x = 20,025,345,778.12
  5. Step 5: Solve for x
    x = 20,025,345,778.12/184,681.58
  6. Step 6: Final answer
    x = 108,431.75

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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.