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Finding the Fourth Proportional to 133.01, 199.47 and 46.32

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Solution

The fourth proportional to 133.01, 199.47 and 46.32 is: 69.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.01 : 199.47 = 46.32 : x
  2. Step 2: Convert to fraction form
    133.01/199.47 = 46.32/x
  3. Step 3: Cross multiply
    133.01x = 199.47 × 46.32
  4. Step 4: Simplify right side
    133.01x = 9,239.22
  5. Step 5: Solve for x
    x = 9,239.22/133.01
  6. Step 6: Final answer
    x = 69.46

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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.