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Finding the Fourth Proportional to 162.59, 224.33 and 104.36

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Solution

The fourth proportional to 162.59, 224.33 and 104.36 is: 143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.59 : 224.33 = 104.36 : x
  2. Step 2: Convert to fraction form
    162.59/224.33 = 104.36/x
  3. Step 3: Cross multiply
    162.59x = 224.33 × 104.36
  4. Step 4: Simplify right side
    162.59x = 23,409.44
  5. Step 5: Solve for x
    x = 23,409.44/162.59
  6. Step 6: Final answer
    x = 143.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.