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Finding the Fourth Proportional to 176.43, 265.01 and 170.67

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Solution

The fourth proportional to 176.43, 265.01 and 170.67 is: 256.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.43 : 265.01 = 170.67 : x
  2. Step 2: Convert to fraction form
    176.43/265.01 = 170.67/x
  3. Step 3: Cross multiply
    176.43x = 265.01 × 170.67
  4. Step 4: Simplify right side
    176.43x = 45,228.40
  5. Step 5: Solve for x
    x = 45,228.40/176.43
  6. Step 6: Final answer
    x = 256.35

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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.