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Finding the Fourth Proportional to 179, 267.99 and 117.95

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Solution

The fourth proportional to 179, 267.99 and 117.95 is: 176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    179 : 267.99 = 117.95 : x
  2. Step 2: Convert to fraction form
    179/267.99 = 117.95/x
  3. Step 3: Cross multiply
    179x = 267.99 × 117.95
  4. Step 4: Simplify right side
    179x = 31,608.08
  5. Step 5: Solve for x
    x = 31,608.08/179
  6. Step 6: Final answer
    x = 176.58

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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.