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Finding the Fourth Proportional to 298.84, 448.30 and 93.37

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Solution

The fourth proportional to 298.84, 448.30 and 93.37 is: 140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.84 : 448.30 = 93.37 : x
  2. Step 2: Convert to fraction form
    298.84/448.30 = 93.37/x
  3. Step 3: Cross multiply
    298.84x = 448.30 × 93.37
  4. Step 4: Simplify right side
    298.84x = 41,857.77
  5. Step 5: Solve for x
    x = 41,857.77/298.84
  6. Step 6: Final answer
    x = 140.07

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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.