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Finding the Fourth Proportional to 262,993.20, 362,912.40 and 148,275.94

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Solution

The fourth proportional to 262,993.20, 362,912.40 and 148,275.94 is: 204,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,993.20 : 362,912.40 = 148,275.94 : x
  2. Step 2: Convert to fraction form
    262,993.20/362,912.40 = 148,275.94/x
  3. Step 3: Cross multiply
    262,993.20x = 362,912.40 × 148,275.94
  4. Step 4: Simplify right side
    262,993.20x = 53,811,177,247.66
  5. Step 5: Solve for x
    x = 53,811,177,247.66/262,993.20
  6. Step 6: Final answer
    x = 204,610.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.