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Finding the Fourth Proportional to 203,016.60, 303,660.90 and 182,107.80

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Solution

The fourth proportional to 203,016.60, 303,660.90 and 182,107.80 is: 272,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,016.60 : 303,660.90 = 182,107.80 : x
  2. Step 2: Convert to fraction form
    203,016.60/303,660.90 = 182,107.80/x
  3. Step 3: Cross multiply
    203,016.60x = 303,660.90 × 182,107.80
  4. Step 4: Simplify right side
    203,016.60x = 55,299,018,445.02
  5. Step 5: Solve for x
    x = 55,299,018,445.02/203,016.60
  6. Step 6: Final answer
    x = 272,386.68

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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.