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Finding the Fourth Proportional to 203,017.60, 303,662.40 and 182,108.80

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Solution

The fourth proportional to 203,017.60, 303,662.40 and 182,108.80 is: 272,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,017.60 : 303,662.40 = 182,108.80 : x
  2. Step 2: Convert to fraction form
    203,017.60/303,662.40 = 182,108.80/x
  3. Step 3: Cross multiply
    203,017.60x = 303,662.40 × 182,108.80
  4. Step 4: Simplify right side
    203,017.60x = 55,299,595,269.12
  5. Step 5: Solve for x
    x = 55,299,595,269.12/203,017.60
  6. Step 6: Final answer
    x = 272,388.18

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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.