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Finding the Fourth Proportional to 119,466.56, 179,082.36 and 57,122.48

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Solution

The fourth proportional to 119,466.56, 179,082.36 and 57,122.48 is: 85,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,466.56 : 179,082.36 = 57,122.48 : x
  2. Step 2: Convert to fraction form
    119,466.56/179,082.36 = 57,122.48/x
  3. Step 3: Cross multiply
    119,466.56x = 179,082.36 × 57,122.48
  4. Step 4: Simplify right side
    119,466.56x = 10,229,628,527.45
  5. Step 5: Solve for x
    x = 10,229,628,527.45/119,466.56
  6. Step 6: Final answer
    x = 85,627.55

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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.