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Finding the Fourth Proportional to 193,325.60, 290,101.29 and 80,996.21

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Solution

The fourth proportional to 193,325.60, 290,101.29 and 80,996.21 is: 121,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,325.60 : 290,101.29 = 80,996.21 : x
  2. Step 2: Convert to fraction form
    193,325.60/290,101.29 = 80,996.21/x
  3. Step 3: Cross multiply
    193,325.60x = 290,101.29 × 80,996.21
  4. Step 4: Simplify right side
    193,325.60x = 23,497,105,006.11
  5. Step 5: Solve for x
    x = 23,497,105,006.11/193,325.60
  6. Step 6: Final answer
    x = 121,541.61

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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.