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Finding the Fourth Proportional to 242.32, 334.16 and 168.52

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Solution

The fourth proportional to 242.32, 334.16 and 168.52 is: 232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.32 : 334.16 = 168.52 : x
  2. Step 2: Convert to fraction form
    242.32/334.16 = 168.52/x
  3. Step 3: Cross multiply
    242.32x = 334.16 × 168.52
  4. Step 4: Simplify right side
    242.32x = 56,312.64
  5. Step 5: Solve for x
    x = 56,312.64/242.32
  6. Step 6: Final answer
    x = 232.39

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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.