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Finding the Fourth Proportional to 176.02, 264.09 and 89.26

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Solution

The fourth proportional to 176.02, 264.09 and 89.26 is: 133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.02 : 264.09 = 89.26 : x
  2. Step 2: Convert to fraction form
    176.02/264.09 = 89.26/x
  3. Step 3: Cross multiply
    176.02x = 264.09 × 89.26
  4. Step 4: Simplify right side
    176.02x = 23,572.67
  5. Step 5: Solve for x
    x = 23,572.67/176.02
  6. Step 6: Final answer
    x = 133.92

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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.