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Finding the Fourth Proportional to 162.59, 244.04 and 140.12

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Solution

The fourth proportional to 162.59, 244.04 and 140.12 is: 210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.59 : 244.04 = 140.12 : x
  2. Step 2: Convert to fraction form
    162.59/244.04 = 140.12/x
  3. Step 3: Cross multiply
    162.59x = 244.04 × 140.12
  4. Step 4: Simplify right side
    162.59x = 34,192.96
  5. Step 5: Solve for x
    x = 34,192.96/162.59
  6. Step 6: Final answer
    x = 210.31

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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.