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Finding the Fourth Proportional to 237.84, 356.70 and 73.34

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Solution

The fourth proportional to 237.84, 356.70 and 73.34 is: 109.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.84 : 356.70 = 73.34 : x
  2. Step 2: Convert to fraction form
    237.84/356.70 = 73.34/x
  3. Step 3: Cross multiply
    237.84x = 356.70 × 73.34
  4. Step 4: Simplify right side
    237.84x = 26,160.21
  5. Step 5: Solve for x
    x = 26,160.21/237.84
  6. Step 6: Final answer
    x = 109.99

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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.