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Finding the Fourth Proportional to 141,471.60, 195,195.48 and 91,110

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Solution

The fourth proportional to 141,471.60, 195,195.48 and 91,110 is: 125,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,471.60 : 195,195.48 = 91,110 : x
  2. Step 2: Convert to fraction form
    141,471.60/195,195.48 = 91,110/x
  3. Step 3: Cross multiply
    141,471.60x = 195,195.48 × 91,110
  4. Step 4: Simplify right side
    141,471.60x = 17,784,260,182.80
  5. Step 5: Solve for x
    x = 17,784,260,182.80/141,471.60
  6. Step 6: Final answer
    x = 125,709.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.