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Finding the Fourth Proportional to 122,745.68, 184,110.88 and 58,749.28

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Solution

The fourth proportional to 122,745.68, 184,110.88 and 58,749.28 is: 88,120.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,745.68 : 184,110.88 = 58,749.28 : x
  2. Step 2: Convert to fraction form
    122,745.68/184,110.88 = 58,749.28/x
  3. Step 3: Cross multiply
    122,745.68x = 184,110.88 × 58,749.28
  4. Step 4: Simplify right side
    122,745.68x = 10,816,381,640.17
  5. Step 5: Solve for x
    x = 10,816,381,640.17/122,745.68
  6. Step 6: Final answer
    x = 88,120.26

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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.