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Finding the Fourth Proportional to 226,662.86, 339,957.21 and 66,701.36

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Solution

The fourth proportional to 226,662.86, 339,957.21 and 66,701.36 is: 100,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,662.86 : 339,957.21 = 66,701.36 : x
  2. Step 2: Convert to fraction form
    226,662.86/339,957.21 = 66,701.36/x
  3. Step 3: Cross multiply
    226,662.86x = 339,957.21 × 66,701.36
  4. Step 4: Simplify right side
    226,662.86x = 22,675,608,248.81
  5. Step 5: Solve for x
    x = 22,675,608,248.81/226,662.86
  6. Step 6: Final answer
    x = 100,041.13

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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.