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Finding the Fourth Proportional to 263.07, 394.76 and 116.93

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Solution

The fourth proportional to 263.07, 394.76 and 116.93 is: 175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.07 : 394.76 = 116.93 : x
  2. Step 2: Convert to fraction form
    263.07/394.76 = 116.93/x
  3. Step 3: Cross multiply
    263.07x = 394.76 × 116.93
  4. Step 4: Simplify right side
    263.07x = 46,159.29
  5. Step 5: Solve for x
    x = 46,159.29/263.07
  6. Step 6: Final answer
    x = 175.46

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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.