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Finding the Fourth Proportional to 243,844.52, 365,729.83 and 66,365.36

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Solution

The fourth proportional to 243,844.52, 365,729.83 and 66,365.36 is: 99,537.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,844.52 : 365,729.83 = 66,365.36 : x
  2. Step 2: Convert to fraction form
    243,844.52/365,729.83 = 66,365.36/x
  3. Step 3: Cross multiply
    243,844.52x = 365,729.83 × 66,365.36
  4. Step 4: Simplify right side
    243,844.52x = 24,271,792,579.10
  5. Step 5: Solve for x
    x = 24,271,792,579.10/243,844.52
  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.