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Finding the Fourth Proportional to 73,895.94, 101,976.80 and 40,361.94

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Solution

The fourth proportional to 73,895.94, 101,976.80 and 40,361.94 is: 55,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,895.94 : 101,976.80 = 40,361.94 : x
  2. Step 2: Convert to fraction form
    73,895.94/101,976.80 = 40,361.94/x
  3. Step 3: Cross multiply
    73,895.94x = 101,976.80 × 40,361.94
  4. Step 4: Simplify right side
    73,895.94x = 4,115,981,482.99
  5. Step 5: Solve for x
    x = 4,115,981,482.99/73,895.94
  6. Step 6: Final answer
    x = 55,699.70

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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.