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Finding the Fourth Proportional to 122,879.63, 184,257.79 and 59,660.15

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Solution

The fourth proportional to 122,879.63, 184,257.79 and 59,660.15 is: 89,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,879.63 : 184,257.79 = 59,660.15 : x
  2. Step 2: Convert to fraction form
    122,879.63/184,257.79 = 59,660.15/x
  3. Step 3: Cross multiply
    122,879.63x = 184,257.79 × 59,660.15
  4. Step 4: Simplify right side
    122,879.63x = 10,992,846,319.63
  5. Step 5: Solve for x
    x = 10,992,846,319.63/122,879.63
  6. Step 6: Final answer
    x = 89,460.28

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1.5x scale

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.