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Finding the Fourth Proportional to 237.47, 356.01 and 109.13

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Solution

The fourth proportional to 237.47, 356.01 and 109.13 is: 163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.47 : 356.01 = 109.13 : x
  2. Step 2: Convert to fraction form
    237.47/356.01 = 109.13/x
  3. Step 3: Cross multiply
    237.47x = 356.01 × 109.13
  4. Step 4: Simplify right side
    237.47x = 38,849.59
  5. Step 5: Solve for x
    x = 38,849.59/237.47
  6. Step 6: Final answer
    x = 163.60

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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.