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Finding the Fourth Proportional to 122,999.60, 184,110.60 and 88,007.60

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Solution

The fourth proportional to 122,999.60, 184,110.60 and 88,007.60 is: 131,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,999.60 : 184,110.60 = 88,007.60 : x
  2. Step 2: Convert to fraction form
    122,999.60/184,110.60 = 88,007.60/x
  3. Step 3: Cross multiply
    122,999.60x = 184,110.60 × 88,007.60
  4. Step 4: Simplify right side
    122,999.60x = 16,203,132,040.56
  5. Step 5: Solve for x
    x = 16,203,132,040.56/122,999.60
  6. Step 6: Final answer
    x = 131,733.21

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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.