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Finding the Fourth Proportional to 267,912.74, 369,724.34 and 147,065.26

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Solution

The fourth proportional to 267,912.74, 369,724.34 and 147,065.26 is: 202,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,912.74 : 369,724.34 = 147,065.26 : x
  2. Step 2: Convert to fraction form
    267,912.74/369,724.34 = 147,065.26/x
  3. Step 3: Cross multiply
    267,912.74x = 369,724.34 × 147,065.26
  4. Step 4: Simplify right side
    267,912.74x = 54,373,605,633.78
  5. Step 5: Solve for x
    x = 54,373,605,633.78/267,912.74
  6. Step 6: Final answer
    x = 202,952.67

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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.