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Finding the Fourth Proportional to 73,241.09, 109,870.43 and 25,846.40

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Solution

The fourth proportional to 73,241.09, 109,870.43 and 25,846.40 is: 38,772.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,241.09 : 109,870.43 = 25,846.40 : x
  2. Step 2: Convert to fraction form
    73,241.09/109,870.43 = 25,846.40/x
  3. Step 3: Cross multiply
    73,241.09x = 109,870.43 × 25,846.40
  4. Step 4: Simplify right side
    73,241.09x = 2,839,754,403.37
  5. Step 5: Solve for x
    x = 2,839,754,403.37/73,241.09
  6. Step 6: Final answer
    x = 38,772.69

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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.