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Finding the Fourth Proportional to 176.04, 264.01 and 84.56

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Solution

The fourth proportional to 176.04, 264.01 and 84.56 is: 126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.04 : 264.01 = 84.56 : x
  2. Step 2: Convert to fraction form
    176.04/264.01 = 84.56/x
  3. Step 3: Cross multiply
    176.04x = 264.01 × 84.56
  4. Step 4: Simplify right side
    176.04x = 22,323.37
  5. Step 5: Solve for x
    x = 22,323.37/176.04
  6. Step 6: Final answer
    x = 126.81

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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.