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Finding the Fourth Proportional to 73,433.25, 101,338.16 and 39,899.25

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Solution

The fourth proportional to 73,433.25, 101,338.16 and 39,899.25 is: 55,061.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,433.25 : 101,338.16 = 39,899.25 : x
  2. Step 2: Convert to fraction form
    73,433.25/101,338.16 = 39,899.25/x
  3. Step 3: Cross multiply
    73,433.25x = 101,338.16 × 39,899.25
  4. Step 4: Simplify right side
    73,433.25x = 4,043,316,380.88
  5. Step 5: Solve for x
    x = 4,043,316,380.88/73,433.25
  6. Step 6: Final answer
    x = 55,061.11

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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.