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Finding the Fourth Proportional to 103,298.09, 154,958.13 and 36,744.44

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Solution

The fourth proportional to 103,298.09, 154,958.13 and 36,744.44 is: 55,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,298.09 : 154,958.13 = 36,744.44 : x
  2. Step 2: Convert to fraction form
    103,298.09/154,958.13 = 36,744.44/x
  3. Step 3: Cross multiply
    103,298.09x = 154,958.13 × 36,744.44
  4. Step 4: Simplify right side
    103,298.09x = 5,693,848,935.51
  5. Step 5: Solve for x
    x = 5,693,848,935.51/103,298.09
  6. Step 6: Final answer
    x = 55,120.57

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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.