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Finding the Fourth Proportional to 222,247.32, 306,745.02 and 168,438.48

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Solution

The fourth proportional to 222,247.32, 306,745.02 and 168,438.48 is: 232,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,247.32 : 306,745.02 = 168,438.48 : x
  2. Step 2: Convert to fraction form
    222,247.32/306,745.02 = 168,438.48/x
  3. Step 3: Cross multiply
    222,247.32x = 306,745.02 × 168,438.48
  4. Step 4: Simplify right side
    222,247.32x = 51,667,664,916.37
  5. Step 5: Solve for x
    x = 51,667,664,916.37/222,247.32
  6. Step 6: Final answer
    x = 232,478.24

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1.5x scale

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.