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Finding the Fourth Proportional to 184,432.80, 276,611.40 and 51,279.60

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Solution

The fourth proportional to 184,432.80, 276,611.40 and 51,279.60 is: 76,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,432.80 : 276,611.40 = 51,279.60 : x
  2. Step 2: Convert to fraction form
    184,432.80/276,611.40 = 51,279.60/x
  3. Step 3: Cross multiply
    184,432.80x = 276,611.40 × 51,279.60
  4. Step 4: Simplify right side
    184,432.80x = 14,184,521,947.44
  5. Step 5: Solve for x
    x = 14,184,521,947.44/184,432.80
  6. Step 6: Final answer
    x = 76,908.89

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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.