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Finding the Fourth Proportional to 176.34, 264.50 and 59.21

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Solution

The fourth proportional to 176.34, 264.50 and 59.21 is: 88.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.34 : 264.50 = 59.21 : x
  2. Step 2: Convert to fraction form
    176.34/264.50 = 59.21/x
  3. Step 3: Cross multiply
    176.34x = 264.50 × 59.21
  4. Step 4: Simplify right side
    176.34x = 15,661.85
  5. Step 5: Solve for x
    x = 15,661.85/176.34
  6. Step 6: Final answer
    x = 88.81

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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.