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Finding the Fourth Proportional to 302.16, 452.23 and 164.86

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Solution

The fourth proportional to 302.16, 452.23 and 164.86 is: 246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.16 : 452.23 = 164.86 : x
  2. Step 2: Convert to fraction form
    302.16/452.23 = 164.86/x
  3. Step 3: Cross multiply
    302.16x = 452.23 × 164.86
  4. Step 4: Simplify right side
    302.16x = 74,554.64
  5. Step 5: Solve for x
    x = 74,554.64/302.16
  6. Step 6: Final answer
    x = 246.74

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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.