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Finding the Fourth Proportional to 164.53, 244.67 and 159.40

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Solution

The fourth proportional to 164.53, 244.67 and 159.40 is: 237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.53 : 244.67 = 159.40 : x
  2. Step 2: Convert to fraction form
    164.53/244.67 = 159.40/x
  3. Step 3: Cross multiply
    164.53x = 244.67 × 159.40
  4. Step 4: Simplify right side
    164.53x = 39,000.40
  5. Step 5: Solve for x
    x = 39,000.40/164.53
  6. Step 6: Final answer
    x = 237.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.