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Finding the Fourth Proportional to 193,325.60, 290,101.30 and 80,996.22

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Solution

The fourth proportional to 193,325.60, 290,101.30 and 80,996.22 is: 121,541.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,325.60 : 290,101.30 = 80,996.22 : x
  2. Step 2: Convert to fraction form
    193,325.60/290,101.30 = 80,996.22/x
  3. Step 3: Cross multiply
    193,325.60x = 290,101.30 × 80,996.22
  4. Step 4: Simplify right side
    193,325.60x = 23,497,108,717.09
  5. Step 5: Solve for x
    x = 23,497,108,717.09/193,325.60
  6. Step 6: Final answer
    x = 121,541.63

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1.5x scale

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.