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Finding the Fourth Proportional to 243,844.27, 365,729.45 and 66,365.11

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Solution

The fourth proportional to 243,844.27, 365,729.45 and 66,365.11 is: 99,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,844.27 : 365,729.45 = 66,365.11 : x
  2. Step 2: Convert to fraction form
    243,844.27/365,729.45 = 66,365.11/x
  3. Step 3: Cross multiply
    243,844.27x = 365,729.45 × 66,365.11
  4. Step 4: Simplify right side
    243,844.27x = 24,271,675,179.49
  5. Step 5: Solve for x
    x = 24,271,675,179.49/243,844.27
  6. Step 6: Final answer
    x = 99,537.61

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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.