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Finding the Fourth Proportional to 117,323.82, 161,907.94 and 63,608.97

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Solution

The fourth proportional to 117,323.82, 161,907.94 and 63,608.97 is: 87,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,323.82 : 161,907.94 = 63,608.97 : x
  2. Step 2: Convert to fraction form
    117,323.82/161,907.94 = 63,608.97/x
  3. Step 3: Cross multiply
    117,323.82x = 161,907.94 × 63,608.97
  4. Step 4: Simplify right side
    117,323.82x = 10,298,797,350.62
  5. Step 5: Solve for x
    x = 10,298,797,350.62/117,323.82
  6. Step 6: Final answer
    x = 87,780.96

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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.