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Finding the Fourth Proportional to 184,498.20, 276,747.30 and 105,620.40

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Solution

The fourth proportional to 184,498.20, 276,747.30 and 105,620.40 is: 158,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,498.20 : 276,747.30 = 105,620.40 : x
  2. Step 2: Convert to fraction form
    184,498.20/276,747.30 = 105,620.40/x
  3. Step 3: Cross multiply
    184,498.20x = 276,747.30 × 105,620.40
  4. Step 4: Simplify right side
    184,498.20x = 29,230,160,524.92
  5. Step 5: Solve for x
    x = 29,230,160,524.92/184,498.20
  6. Step 6: Final answer
    x = 158,430.60

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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.