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Finding the Fourth Proportional to 184,163, 276,244.50 and 121,818.92

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Solution

The fourth proportional to 184,163, 276,244.50 and 121,818.92 is: 182,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,163 : 276,244.50 = 121,818.92 : x
  2. Step 2: Convert to fraction form
    184,163/276,244.50 = 121,818.92/x
  3. Step 3: Cross multiply
    184,163x = 276,244.50 × 121,818.92
  4. Step 4: Simplify right side
    184,163x = 33,651,806,645.94
  5. Step 5: Solve for x
    x = 33,651,806,645.94/184,163
  6. Step 6: Final answer
    x = 182,728.38

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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.