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Finding the Fourth Proportional to 73,118.82, 100,903.99 and 39,584.82

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Solution

The fourth proportional to 73,118.82, 100,903.99 and 39,584.82 is: 54,627.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,118.82 : 100,903.99 = 39,584.82 : x
  2. Step 2: Convert to fraction form
    73,118.82/100,903.99 = 39,584.82/x
  3. Step 3: Cross multiply
    73,118.82x = 100,903.99 × 39,584.82
  4. Step 4: Simplify right side
    73,118.82x = 3,994,266,281.43
  5. Step 5: Solve for x
    x = 3,994,266,281.43/73,118.82
  6. Step 6: Final answer
    x = 54,627.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.