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Finding the Fourth Proportional to 200.36, 276.51 and 113.04

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Solution

The fourth proportional to 200.36, 276.51 and 113.04 is: 156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.36 : 276.51 = 113.04 : x
  2. Step 2: Convert to fraction form
    200.36/276.51 = 113.04/x
  3. Step 3: Cross multiply
    200.36x = 276.51 × 113.04
  4. Step 4: Simplify right side
    200.36x = 31,256.69
  5. Step 5: Solve for x
    x = 31,256.69/200.36
  6. Step 6: Final answer
    x = 156.01

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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.