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Finding the Fourth Proportional to 368.42, 552.60 and 94.50

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Solution

The fourth proportional to 368.42, 552.60 and 94.50 is: 141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.42 : 552.60 = 94.50 : x
  2. Step 2: Convert to fraction form
    368.42/552.60 = 94.50/x
  3. Step 3: Cross multiply
    368.42x = 552.60 × 94.50
  4. Step 4: Simplify right side
    368.42x = 52,220.70
  5. Step 5: Solve for x
    x = 52,220.70/368.42
  6. Step 6: Final answer
    x = 141.74

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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.