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Finding the Fourth Proportional to 240.59, 360.86 and 94.45

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Solution

The fourth proportional to 240.59, 360.86 and 94.45 is: 141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.59 : 360.86 = 94.45 : x
  2. Step 2: Convert to fraction form
    240.59/360.86 = 94.45/x
  3. Step 3: Cross multiply
    240.59x = 360.86 × 94.45
  4. Step 4: Simplify right side
    240.59x = 34,083.23
  5. Step 5: Solve for x
    x = 34,083.23/240.59
  6. Step 6: Final answer
    x = 141.67

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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.