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Finding the Fourth Proportional to 122,951.70, 184,600.35 and 96,686.10

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Solution

The fourth proportional to 122,951.70, 184,600.35 and 96,686.10 is: 145,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,951.70 : 184,600.35 = 96,686.10 : x
  2. Step 2: Convert to fraction form
    122,951.70/184,600.35 = 96,686.10/x
  3. Step 3: Cross multiply
    122,951.70x = 184,600.35 × 96,686.10
  4. Step 4: Simplify right side
    122,951.70x = 17,848,287,900.14
  5. Step 5: Solve for x
    x = 17,848,287,900.14/122,951.70
  6. Step 6: Final answer
    x = 145,165.04

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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.