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Finding the Fourth Proportional to 344.16, 516.06 and 112.93

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Solution

The fourth proportional to 344.16, 516.06 and 112.93 is: 169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.16 : 516.06 = 112.93 : x
  2. Step 2: Convert to fraction form
    344.16/516.06 = 112.93/x
  3. Step 3: Cross multiply
    344.16x = 516.06 × 112.93
  4. Step 4: Simplify right side
    344.16x = 58,276.08
  5. Step 5: Solve for x
    x = 58,276.08/344.16
  6. Step 6: Final answer
    x = 169.33

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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.