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Finding the Fourth Proportional to 162.90, 244.03 and 114.16

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Solution

The fourth proportional to 162.90, 244.03 and 114.16 is: 171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.90 : 244.03 = 114.16 : x
  2. Step 2: Convert to fraction form
    162.90/244.03 = 114.16/x
  3. Step 3: Cross multiply
    162.90x = 244.03 × 114.16
  4. Step 4: Simplify right side
    162.90x = 27,858.46
  5. Step 5: Solve for x
    x = 27,858.46/162.90
  6. Step 6: Final answer
    x = 171.02

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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.