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Finding the Fourth Proportional to 162.64, 244.08 and 153.04

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Solution

The fourth proportional to 162.64, 244.08 and 153.04 is: 229.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.64 : 244.08 = 153.04 : x
  2. Step 2: Convert to fraction form
    162.64/244.08 = 153.04/x
  3. Step 3: Cross multiply
    162.64x = 244.08 × 153.04
  4. Step 4: Simplify right side
    162.64x = 37,354.00
  5. Step 5: Solve for x
    x = 37,354.00/162.64
  6. Step 6: Final answer
    x = 229.67

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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.