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Finding the Fourth Proportional to 237, 355.54 and 100.11

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Solution

The fourth proportional to 237, 355.54 and 100.11 is: 150.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    237 : 355.54 = 100.11 : x
  2. Step 2: Convert to fraction form
    237/355.54 = 100.11/x
  3. Step 3: Cross multiply
    237x = 355.54 × 100.11
  4. Step 4: Simplify right side
    237x = 35,593.11
  5. Step 5: Solve for x
    x = 35,593.11/237
  6. Step 6: Final answer
    x = 150.18

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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.