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Finding the Fourth Proportional to 140,100.44, 193,338.60 and 89,799.44

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Solution

The fourth proportional to 140,100.44, 193,338.60 and 89,799.44 is: 123,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,100.44 : 193,338.60 = 89,799.44 : x
  2. Step 2: Convert to fraction form
    140,100.44/193,338.60 = 89,799.44/x
  3. Step 3: Cross multiply
    140,100.44x = 193,338.60 × 89,799.44
  4. Step 4: Simplify right side
    140,100.44x = 17,361,698,010.38
  5. Step 5: Solve for x
    x = 17,361,698,010.38/140,100.44
  6. Step 6: Final answer
    x = 123,923.22

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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.