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Finding the Fourth Proportional to 188,553.84, 260,022.36 and 123,907.44

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Solution

The fourth proportional to 188,553.84, 260,022.36 and 123,907.44 is: 170,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,553.84 : 260,022.36 = 123,907.44 : x
  2. Step 2: Convert to fraction form
    188,553.84/260,022.36 = 123,907.44/x
  3. Step 3: Cross multiply
    188,553.84x = 260,022.36 × 123,907.44
  4. Step 4: Simplify right side
    188,553.84x = 32,218,704,970.36
  5. Step 5: Solve for x
    x = 32,218,704,970.36/188,553.84
  6. Step 6: Final answer
    x = 170,872.71

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1.5x scale

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.