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Finding the Fourth Proportional to 176.96, 265.48 and 142.94

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Solution

The fourth proportional to 176.96, 265.48 and 142.94 is: 214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.96 : 265.48 = 142.94 : x
  2. Step 2: Convert to fraction form
    176.96/265.48 = 142.94/x
  3. Step 3: Cross multiply
    176.96x = 265.48 × 142.94
  4. Step 4: Simplify right side
    176.96x = 37,947.71
  5. Step 5: Solve for x
    x = 37,947.71/176.96
  6. Step 6: Final answer
    x = 214.44

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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.