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Finding the Fourth Proportional to 322.44, 483.62 and 106

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Solution

The fourth proportional to 322.44, 483.62 and 106 is: 158.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.44 : 483.62 = 106 : x
  2. Step 2: Convert to fraction form
    322.44/483.62 = 106/x
  3. Step 3: Cross multiply
    322.44x = 483.62 × 106
  4. Step 4: Simplify right side
    322.44x = 51,263.72
  5. Step 5: Solve for x
    x = 51,263.72/322.44
  6. Step 6: Final answer
    x = 158.99

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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.