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Finding the Fourth Proportional to 202,281.40, 303,750.15 and 136,015.30

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Solution

The fourth proportional to 202,281.40, 303,750.15 and 136,015.30 is: 204,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,281.40 : 303,750.15 = 136,015.30 : x
  2. Step 2: Convert to fraction form
    202,281.40/303,750.15 = 136,015.30/x
  3. Step 3: Cross multiply
    202,281.40x = 303,750.15 × 136,015.30
  4. Step 4: Simplify right side
    202,281.40x = 41,314,667,777.30
  5. Step 5: Solve for x
    x = 41,314,667,777.30/202,281.40
  6. Step 6: Final answer
    x = 204,243.53

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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.