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Finding the Fourth Proportional to 202,016.40, 303,352.65 and 135,750.30

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Solution

The fourth proportional to 202,016.40, 303,352.65 and 135,750.30 is: 203,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,016.40 : 303,352.65 = 135,750.30 : x
  2. Step 2: Convert to fraction form
    202,016.40/303,352.65 = 135,750.30/x
  3. Step 3: Cross multiply
    202,016.40x = 303,352.65 × 135,750.30
  4. Step 4: Simplify right side
    202,016.40x = 41,180,213,243.30
  5. Step 5: Solve for x
    x = 41,180,213,243.30/202,016.40
  6. Step 6: Final answer
    x = 203,845.89

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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.