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Finding the Fourth Proportional to 163.04, 225.06 and 152.67

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Solution

The fourth proportional to 163.04, 225.06 and 152.67 is: 210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.04 : 225.06 = 152.67 : x
  2. Step 2: Convert to fraction form
    163.04/225.06 = 152.67/x
  3. Step 3: Cross multiply
    163.04x = 225.06 × 152.67
  4. Step 4: Simplify right side
    163.04x = 34,359.91
  5. Step 5: Solve for x
    x = 34,359.91/163.04
  6. Step 6: Final answer
    x = 210.75

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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.