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Finding the Fourth Proportional to 322.51, 483.82 and 106.03

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Solution

The fourth proportional to 322.51, 483.82 and 106.03 is: 159.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.51 : 483.82 = 106.03 : x
  2. Step 2: Convert to fraction form
    322.51/483.82 = 106.03/x
  3. Step 3: Cross multiply
    322.51x = 483.82 × 106.03
  4. Step 4: Simplify right side
    322.51x = 51,298.90
  5. Step 5: Solve for x
    x = 51,298.90/322.51
  6. Step 6: Final answer
    x = 159.06

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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.