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Finding the Fourth Proportional to 133.36, 200.04 and 46.70

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Solution

The fourth proportional to 133.36, 200.04 and 46.70 is: 70.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.36 : 200.04 = 46.70 : x
  2. Step 2: Convert to fraction form
    133.36/200.04 = 46.70/x
  3. Step 3: Cross multiply
    133.36x = 200.04 × 46.70
  4. Step 4: Simplify right side
    133.36x = 9,341.87
  5. Step 5: Solve for x
    x = 9,341.87/133.36
  6. Step 6: Final answer
    x = 70.05

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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.