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Finding the Fourth Proportional to 183,965.65, 275,895.16 and 71,620.82

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Solution

The fourth proportional to 183,965.65, 275,895.16 and 71,620.82 is: 107,410.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,965.65 : 275,895.16 = 71,620.82 : x
  2. Step 2: Convert to fraction form
    183,965.65/275,895.16 = 71,620.82/x
  3. Step 3: Cross multiply
    183,965.65x = 275,895.16 × 71,620.82
  4. Step 4: Simplify right side
    183,965.65x = 19,759,837,069.31
  5. Step 5: Solve for x
    x = 19,759,837,069.31/183,965.65
  6. Step 6: Final answer
    x = 107,410.47

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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.