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Finding the Fourth Proportional to 176.94, 264.93 and 144.30

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Solution

The fourth proportional to 176.94, 264.93 and 144.30 is: 216.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.94 : 264.93 = 144.30 : x
  2. Step 2: Convert to fraction form
    176.94/264.93 = 144.30/x
  3. Step 3: Cross multiply
    176.94x = 264.93 × 144.30
  4. Step 4: Simplify right side
    176.94x = 38,230.66
  5. Step 5: Solve for x
    x = 38,230.66/176.94
  6. Step 6: Final answer
    x = 216.07

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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.