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Finding the Fourth Proportional to 237.50, 356.40 and 93.23

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Solution

The fourth proportional to 237.50, 356.40 and 93.23 is: 139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.50 : 356.40 = 93.23 : x
  2. Step 2: Convert to fraction form
    237.50/356.40 = 93.23/x
  3. Step 3: Cross multiply
    237.50x = 356.40 × 93.23
  4. Step 4: Simplify right side
    237.50x = 33,225.39
  5. Step 5: Solve for x
    x = 33,225.39/237.50
  6. Step 6: Final answer
    x = 139.90

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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.