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Finding the Fourth Proportional to 184,399.50, 276,664.86 and 90,970.86

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Solution

The fourth proportional to 184,399.50, 276,664.86 and 90,970.86 is: 136,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,399.50 : 276,664.86 = 90,970.86 : x
  2. Step 2: Convert to fraction form
    184,399.50/276,664.86 = 90,970.86/x
  3. Step 3: Cross multiply
    184,399.50x = 276,664.86 × 90,970.86
  4. Step 4: Simplify right side
    184,399.50x = 25,168,440,245.98
  5. Step 5: Solve for x
    x = 25,168,440,245.98/184,399.50
  6. Step 6: Final answer
    x = 136,488.66

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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.