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Finding the Fourth Proportional to 242, 333.95 and 168.32

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Solution

The fourth proportional to 242, 333.95 and 168.32 is: 232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    242 : 333.95 = 168.32 : x
  2. Step 2: Convert to fraction form
    242/333.95 = 168.32/x
  3. Step 3: Cross multiply
    242x = 333.95 × 168.32
  4. Step 4: Simplify right side
    242x = 56,210.46
  5. Step 5: Solve for x
    x = 56,210.46/242
  6. Step 6: Final answer
    x = 232.27

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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.