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Finding the Fourth Proportional to 175.66, 242.86 and 168.01

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Solution

The fourth proportional to 175.66, 242.86 and 168.01 is: 232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.66 : 242.86 = 168.01 : x
  2. Step 2: Convert to fraction form
    175.66/242.86 = 168.01/x
  3. Step 3: Cross multiply
    175.66x = 242.86 × 168.01
  4. Step 4: Simplify right side
    175.66x = 40,802.91
  5. Step 5: Solve for x
    x = 40,802.91/175.66
  6. Step 6: Final answer
    x = 232.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.