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Finding the Fourth Proportional to 188,625.80, 260,301.54 and 103,744.04

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Solution

The fourth proportional to 188,625.80, 260,301.54 and 103,744.04 is: 143,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,625.80 : 260,301.54 = 103,744.04 : x
  2. Step 2: Convert to fraction form
    188,625.80/260,301.54 = 103,744.04/x
  3. Step 3: Cross multiply
    188,625.80x = 260,301.54 × 103,744.04
  4. Step 4: Simplify right side
    188,625.80x = 27,004,733,377.82
  5. Step 5: Solve for x
    x = 27,004,733,377.82/188,625.80
  6. Step 6: Final answer
    x = 143,165.64

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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.