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Finding the Fourth Proportional to 160,936.65, 222,069.84 and 96,390.77

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Solution

The fourth proportional to 160,936.65, 222,069.84 and 96,390.77 is: 133,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,936.65 : 222,069.84 = 96,390.77 : x
  2. Step 2: Convert to fraction form
    160,936.65/222,069.84 = 96,390.77/x
  3. Step 3: Cross multiply
    160,936.65x = 222,069.84 × 96,390.77
  4. Step 4: Simplify right side
    160,936.65x = 21,405,481,761.03
  5. Step 5: Solve for x
    x = 21,405,481,761.03/160,936.65
  6. Step 6: Final answer
    x = 133,005.64

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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.