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Finding the Fourth Proportional to 164.95, 247.06 and 107.00

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Solution

The fourth proportional to 164.95, 247.06 and 107.00 is: 160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.95 : 247.06 = 107.00 : x
  2. Step 2: Convert to fraction form
    164.95/247.06 = 107.00/x
  3. Step 3: Cross multiply
    164.95x = 247.06 × 107.00
  4. Step 4: Simplify right side
    164.95x = 26,435.55
  5. Step 5: Solve for x
    x = 26,435.55/164.95
  6. Step 6: Final answer
    x = 160.26

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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.