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Finding the Fourth Proportional to 136.04, 202.98 and 132.93

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Solution

The fourth proportional to 136.04, 202.98 and 132.93 is: 198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.04 : 202.98 = 132.93 : x
  2. Step 2: Convert to fraction form
    136.04/202.98 = 132.93/x
  3. Step 3: Cross multiply
    136.04x = 202.98 × 132.93
  4. Step 4: Simplify right side
    136.04x = 26,980.45
  5. Step 5: Solve for x
    x = 26,980.45/136.04
  6. Step 6: Final answer
    x = 198.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.