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Finding the Fourth Proportional to 145.05, 200.27 and 96

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Solution

The fourth proportional to 145.05, 200.27 and 96 is: 132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145.05 : 200.27 = 96 : x
  2. Step 2: Convert to fraction form
    145.05/200.27 = 96/x
  3. Step 3: Cross multiply
    145.05x = 200.27 × 96
  4. Step 4: Simplify right side
    145.05x = 19,225.92
  5. Step 5: Solve for x
    x = 19,225.92/145.05
  6. Step 6: Final answer
    x = 132.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.