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Finding the Fourth Proportional to 236,361.69, 354,605.72 and 103,252.77

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Solution

The fourth proportional to 236,361.69, 354,605.72 and 103,252.77 is: 154,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,361.69 : 354,605.72 = 103,252.77 : x
  2. Step 2: Convert to fraction form
    236,361.69/354,605.72 = 103,252.77/x
  3. Step 3: Cross multiply
    236,361.69x = 354,605.72 × 103,252.77
  4. Step 4: Simplify right side
    236,361.69x = 36,614,022,331.58
  5. Step 5: Solve for x
    x = 36,614,022,331.58/236,361.69
  6. Step 6: Final answer
    x = 154,906.75

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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.