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Finding the Fourth Proportional to 130,664.64, 195,978.48 and 41,906.61

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Solution

The fourth proportional to 130,664.64, 195,978.48 and 41,906.61 is: 62,853.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,664.64 : 195,978.48 = 41,906.61 : x
  2. Step 2: Convert to fraction form
    130,664.64/195,978.48 = 41,906.61/x
  3. Step 3: Cross multiply
    130,664.64x = 195,978.48 × 41,906.61
  4. Step 4: Simplify right side
    130,664.64x = 8,212,793,729.75
  5. Step 5: Solve for x
    x = 8,212,793,729.75/130,664.64
  6. Step 6: Final answer
    x = 62,853.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.