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Finding the Fourth Proportional to 73,895.50, 101,975.79 and 40,361.50

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Solution

The fourth proportional to 73,895.50, 101,975.79 and 40,361.50 is: 55,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,895.50 : 101,975.79 = 40,361.50 : x
  2. Step 2: Convert to fraction form
    73,895.50/101,975.79 = 40,361.50/x
  3. Step 3: Cross multiply
    73,895.50x = 101,975.79 × 40,361.50
  4. Step 4: Simplify right side
    73,895.50x = 4,115,895,848.09
  5. Step 5: Solve for x
    x = 4,115,895,848.09/73,895.50
  6. Step 6: Final answer
    x = 55,698.87

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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.