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Finding the Fourth Proportional to 179.01, 268.65 and 117.99

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Solution

The fourth proportional to 179.01, 268.65 and 117.99 is: 177.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.01 : 268.65 = 117.99 : x
  2. Step 2: Convert to fraction form
    179.01/268.65 = 117.99/x
  3. Step 3: Cross multiply
    179.01x = 268.65 × 117.99
  4. Step 4: Simplify right side
    179.01x = 31,698.01
  5. Step 5: Solve for x
    x = 31,698.01/179.01
  6. Step 6: Final answer
    x = 177.07

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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.