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Finding the Fourth Proportional to 176.89, 264.99 and 99.62

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Solution

The fourth proportional to 176.89, 264.99 and 99.62 is: 149.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.89 : 264.99 = 99.62 : x
  2. Step 2: Convert to fraction form
    176.89/264.99 = 99.62/x
  3. Step 3: Cross multiply
    176.89x = 264.99 × 99.62
  4. Step 4: Simplify right side
    176.89x = 26,397.32
  5. Step 5: Solve for x
    x = 26,397.32/176.89
  6. Step 6: Final answer
    x = 149.23

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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.