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Finding the Fourth Proportional to 103,268.49, 154,899.50 and 29,396.49

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Solution

The fourth proportional to 103,268.49, 154,899.50 and 29,396.49 is: 44,093.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,268.49 : 154,899.50 = 29,396.49 : x
  2. Step 2: Convert to fraction form
    103,268.49/154,899.50 = 29,396.49/x
  3. Step 3: Cross multiply
    103,268.49x = 154,899.50 × 29,396.49
  4. Step 4: Simplify right side
    103,268.49x = 4,553,501,455.77
  5. Step 5: Solve for x
    x = 4,553,501,455.77/103,268.49
  6. Step 6: Final answer
    x = 44,093.81

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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.