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Finding the Fourth Proportional to 237.99, 357.12 and 93.81

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Solution

The fourth proportional to 237.99, 357.12 and 93.81 is: 140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.99 : 357.12 = 93.81 : x
  2. Step 2: Convert to fraction form
    237.99/357.12 = 93.81/x
  3. Step 3: Cross multiply
    237.99x = 357.12 × 93.81
  4. Step 4: Simplify right side
    237.99x = 33,501.43
  5. Step 5: Solve for x
    x = 33,501.43/237.99
  6. Step 6: Final answer
    x = 140.77

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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.