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Finding the Fourth Proportional to 151.94, 227.64 and 104.06

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Solution

The fourth proportional to 151.94, 227.64 and 104.06 is: 155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.94 : 227.64 = 104.06 : x
  2. Step 2: Convert to fraction form
    151.94/227.64 = 104.06/x
  3. Step 3: Cross multiply
    151.94x = 227.64 × 104.06
  4. Step 4: Simplify right side
    151.94x = 23,688.22
  5. Step 5: Solve for x
    x = 23,688.22/151.94
  6. Step 6: Final answer
    x = 155.91

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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.