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Finding the Fourth Proportional to 174.41, 261.61 and 46.16

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Solution

The fourth proportional to 174.41, 261.61 and 46.16 is: 69.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.41 : 261.61 = 46.16 : x
  2. Step 2: Convert to fraction form
    174.41/261.61 = 46.16/x
  3. Step 3: Cross multiply
    174.41x = 261.61 × 46.16
  4. Step 4: Simplify right side
    174.41x = 12,075.92
  5. Step 5: Solve for x
    x = 12,075.92/174.41
  6. Step 6: Final answer
    x = 69.24

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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.