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Finding the Fourth Proportional to 322.54, 483.76 and 106.10

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Solution

The fourth proportional to 322.54, 483.76 and 106.10 is: 159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.54 : 483.76 = 106.10 : x
  2. Step 2: Convert to fraction form
    322.54/483.76 = 106.10/x
  3. Step 3: Cross multiply
    322.54x = 483.76 × 106.10
  4. Step 4: Simplify right side
    322.54x = 51,326.94
  5. Step 5: Solve for x
    x = 51,326.94/322.54
  6. Step 6: Final answer
    x = 159.13

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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.