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Finding the Fourth Proportional to 140,365.87, 193,739.41 and 117,668.92

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Solution

The fourth proportional to 140,365.87, 193,739.41 and 117,668.92 is: 162,412.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,365.87 : 193,739.41 = 117,668.92 : x
  2. Step 2: Convert to fraction form
    140,365.87/193,739.41 = 117,668.92/x
  3. Step 3: Cross multiply
    140,365.87x = 193,739.41 × 117,668.92
  4. Step 4: Simplify right side
    140,365.87x = 22,797,107,136.14
  5. Step 5: Solve for x
    x = 22,797,107,136.14/140,365.87
  6. Step 6: Final answer
    x = 162,412.04

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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.