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Finding the Fourth Proportional to 117.03, 174.42 and 116.08

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Solution

The fourth proportional to 117.03, 174.42 and 116.08 is: 173.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.03 : 174.42 = 116.08 : x
  2. Step 2: Convert to fraction form
    117.03/174.42 = 116.08/x
  3. Step 3: Cross multiply
    117.03x = 174.42 × 116.08
  4. Step 4: Simplify right side
    117.03x = 20,246.24
  5. Step 5: Solve for x
    x = 20,246.24/117.03
  6. Step 6: Final answer
    x = 173.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.