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Finding the Fourth Proportional to 103,943.88, 155,901.44 and 37,374.44

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Solution

The fourth proportional to 103,943.88, 155,901.44 and 37,374.44 is: 56,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,943.88 : 155,901.44 = 37,374.44 : x
  2. Step 2: Convert to fraction form
    103,943.88/155,901.44 = 37,374.44/x
  3. Step 3: Cross multiply
    103,943.88x = 155,901.44 × 37,374.44
  4. Step 4: Simplify right side
    103,943.88x = 5,826,729,015.19
  5. Step 5: Solve for x
    x = 5,826,729,015.19/103,943.88
  6. Step 6: Final answer
    x = 56,056.49

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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.