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Finding the Fourth Proportional to 364.09, 546.17 and 117.23

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Solution

The fourth proportional to 364.09, 546.17 and 117.23 is: 175.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.09 : 546.17 = 117.23 : x
  2. Step 2: Convert to fraction form
    364.09/546.17 = 117.23/x
  3. Step 3: Cross multiply
    364.09x = 546.17 × 117.23
  4. Step 4: Simplify right side
    364.09x = 64,027.51
  5. Step 5: Solve for x
    x = 64,027.51/364.09
  6. Step 6: Final answer
    x = 175.86

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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.