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Finding the Fourth Proportional to 243,844.53, 365,729.82 and 66,365.37

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Solution

The fourth proportional to 243,844.53, 365,729.82 and 66,365.37 is: 99,537.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,844.53 : 365,729.82 = 66,365.37 : x
  2. Step 2: Convert to fraction form
    243,844.53/365,729.82 = 66,365.37/x
  3. Step 3: Cross multiply
    243,844.53x = 365,729.82 × 66,365.37
  4. Step 4: Simplify right side
    243,844.53x = 24,271,794,824.33
  5. Step 5: Solve for x
    x = 24,271,794,824.33/243,844.53
  6. Step 6: Final answer
    x = 99,537.99

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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.