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Finding the Fourth Proportional to 184,420.80, 276,631.20 and 164,491.76

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Solution

The fourth proportional to 184,420.80, 276,631.20 and 164,491.76 is: 246,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,420.80 : 276,631.20 = 164,491.76 : x
  2. Step 2: Convert to fraction form
    184,420.80/276,631.20 = 164,491.76/x
  3. Step 3: Cross multiply
    184,420.80x = 276,631.20 × 164,491.76
  4. Step 4: Simplify right side
    184,420.80x = 45,503,553,650.49
  5. Step 5: Solve for x
    x = 45,503,553,650.49/184,420.80
  6. Step 6: Final answer
    x = 246,737.64

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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.