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Finding the Fourth Proportional to 148.99, 223.47 and 62.29

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Solution

The fourth proportional to 148.99, 223.47 and 62.29 is: 93.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.99 : 223.47 = 62.29 : x
  2. Step 2: Convert to fraction form
    148.99/223.47 = 62.29/x
  3. Step 3: Cross multiply
    148.99x = 223.47 × 62.29
  4. Step 4: Simplify right side
    148.99x = 13,920.76
  5. Step 5: Solve for x
    x = 13,920.76/148.99
  6. Step 6: Final answer
    x = 93.43

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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.