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Finding the Fourth Proportional to 269,806.56, 372,334.46 and 148,945.64

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Solution

The fourth proportional to 269,806.56, 372,334.46 and 148,945.64 is: 205,545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,806.56 : 372,334.46 = 148,945.64 : x
  2. Step 2: Convert to fraction form
    269,806.56/372,334.46 = 148,945.64/x
  3. Step 3: Cross multiply
    269,806.56x = 372,334.46 × 148,945.64
  4. Step 4: Simplify right side
    269,806.56x = 55,457,594,438.75
  5. Step 5: Solve for x
    x = 55,457,594,438.75/269,806.56
  6. Step 6: Final answer
    x = 205,545.76

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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.