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Finding the Fourth Proportional to 141,808, 195,697.48 and 91,594.48

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Solution

The fourth proportional to 141,808, 195,697.48 and 91,594.48 is: 126,401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,808 : 195,697.48 = 91,594.48 : x
  2. Step 2: Convert to fraction form
    141,808/195,697.48 = 91,594.48/x
  3. Step 3: Cross multiply
    141,808x = 195,697.48 × 91,594.48
  4. Step 4: Simplify right side
    141,808x = 17,924,808,917.91
  5. Step 5: Solve for x
    x = 17,924,808,917.91/141,808
  6. Step 6: Final answer
    x = 126,401.96

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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.