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Finding the Fourth Proportional to 164.79, 246.56 and 102.26

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Solution

The fourth proportional to 164.79, 246.56 and 102.26 is: 153.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.79 : 246.56 = 102.26 : x
  2. Step 2: Convert to fraction form
    164.79/246.56 = 102.26/x
  3. Step 3: Cross multiply
    164.79x = 246.56 × 102.26
  4. Step 4: Simplify right side
    164.79x = 25,214.10
  5. Step 5: Solve for x
    x = 25,214.10/164.79
  6. Step 6: Final answer
    x = 153.00

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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.