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Finding the Fourth Proportional to 184,168.78, 276,347.54 and 108,377.49

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Solution

The fourth proportional to 184,168.78, 276,347.54 and 108,377.49 is: 162,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,168.78 : 276,347.54 = 108,377.49 : x
  2. Step 2: Convert to fraction form
    184,168.78/276,347.54 = 108,377.49/x
  3. Step 3: Cross multiply
    184,168.78x = 276,347.54 × 108,377.49
  4. Step 4: Simplify right side
    184,168.78x = 29,949,852,752.87
  5. Step 5: Solve for x
    x = 29,949,852,752.87/184,168.78
  6. Step 6: Final answer
    x = 162,621.77

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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.