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Finding the Fourth Proportional to 117.51, 175.99 and 114.06

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Solution

The fourth proportional to 117.51, 175.99 and 114.06 is: 170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.51 : 175.99 = 114.06 : x
  2. Step 2: Convert to fraction form
    117.51/175.99 = 114.06/x
  3. Step 3: Cross multiply
    117.51x = 175.99 × 114.06
  4. Step 4: Simplify right side
    117.51x = 20,073.42
  5. Step 5: Solve for x
    x = 20,073.42/117.51
  6. Step 6: Final answer
    x = 170.82

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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.