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Finding the Fourth Proportional to 162.95, 244.35 and 94.50

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Solution

The fourth proportional to 162.95, 244.35 and 94.50 is: 141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.95 : 244.35 = 94.50 : x
  2. Step 2: Convert to fraction form
    162.95/244.35 = 94.50/x
  3. Step 3: Cross multiply
    162.95x = 244.35 × 94.50
  4. Step 4: Simplify right side
    162.95x = 23,090.39
  5. Step 5: Solve for x
    x = 23,090.39/162.95
  6. Step 6: Final answer
    x = 141.70

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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.