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Finding the Fourth Proportional to 244, 336.87 and 156.83

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Solution

The fourth proportional to 244, 336.87 and 156.83 is: 216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    244 : 336.87 = 156.83 : x
  2. Step 2: Convert to fraction form
    244/336.87 = 156.83/x
  3. Step 3: Cross multiply
    244x = 336.87 × 156.83
  4. Step 4: Simplify right side
    244x = 52,829.64
  5. Step 5: Solve for x
    x = 52,829.64/244
  6. Step 6: Final answer
    x = 216.51

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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.