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Finding the Fourth Proportional to 45,902.40, 68,799.60 and 26,199.60

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Solution

The fourth proportional to 45,902.40, 68,799.60 and 26,199.60 is: 39,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,902.40 : 68,799.60 = 26,199.60 : x
  2. Step 2: Convert to fraction form
    45,902.40/68,799.60 = 26,199.60/x
  3. Step 3: Cross multiply
    45,902.40x = 68,799.60 × 26,199.60
  4. Step 4: Simplify right side
    45,902.40x = 1,802,522,000.16
  5. Step 5: Solve for x
    x = 1,802,522,000.16/45,902.40
  6. Step 6: Final answer
    x = 39,268.58

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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.