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Finding the Fourth Proportional to 176.66, 264.99 and 100.50

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Solution

The fourth proportional to 176.66, 264.99 and 100.50 is: 150.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.66 : 264.99 = 100.50 : x
  2. Step 2: Convert to fraction form
    176.66/264.99 = 100.50/x
  3. Step 3: Cross multiply
    176.66x = 264.99 × 100.50
  4. Step 4: Simplify right side
    176.66x = 26,631.50
  5. Step 5: Solve for x
    x = 26,631.50/176.66
  6. Step 6: Final answer
    x = 150.75

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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.