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Finding the Fourth Proportional to 148.74, 223.07 and 46.01

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Solution

The fourth proportional to 148.74, 223.07 and 46.01 is: 68.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.74 : 223.07 = 46.01 : x
  2. Step 2: Convert to fraction form
    148.74/223.07 = 46.01/x
  3. Step 3: Cross multiply
    148.74x = 223.07 × 46.01
  4. Step 4: Simplify right side
    148.74x = 10,262.11
  5. Step 5: Solve for x
    x = 10,262.11/148.74
  6. Step 6: Final answer
    x = 68.99

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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.