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Finding the Fourth Proportional to 148.65, 223.14 and 94.59

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Solution

The fourth proportional to 148.65, 223.14 and 94.59 is: 141.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.65 : 223.14 = 94.59 : x
  2. Step 2: Convert to fraction form
    148.65/223.14 = 94.59/x
  3. Step 3: Cross multiply
    148.65x = 223.14 × 94.59
  4. Step 4: Simplify right side
    148.65x = 21,106.81
  5. Step 5: Solve for x
    x = 21,106.81/148.65
  6. Step 6: Final answer
    x = 141.99

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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.