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Finding the Fourth Proportional to 193,722.03, 290,561.13 and 67,340.97

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Solution

The fourth proportional to 193,722.03, 290,561.13 and 67,340.97 is: 101,003.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,722.03 : 290,561.13 = 67,340.97 : x
  2. Step 2: Convert to fraction form
    193,722.03/290,561.13 = 67,340.97/x
  3. Step 3: Cross multiply
    193,722.03x = 290,561.13 × 67,340.97
  4. Step 4: Simplify right side
    193,722.03x = 19,566,668,338.50
  5. Step 5: Solve for x
    x = 19,566,668,338.50/193,722.03
  6. Step 6: Final answer
    x = 101,003.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.