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Finding the Fourth Proportional to 194,614.30, 268,556.79 and 109,726.30

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Solution

The fourth proportional to 194,614.30, 268,556.79 and 109,726.30 is: 151,416.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,614.30 : 268,556.79 = 109,726.30 : x
  2. Step 2: Convert to fraction form
    194,614.30/268,556.79 = 109,726.30/x
  3. Step 3: Cross multiply
    194,614.30x = 268,556.79 × 109,726.30
  4. Step 4: Simplify right side
    194,614.30x = 29,467,742,906.58
  5. Step 5: Solve for x
    x = 29,467,742,906.58/194,614.30
  6. Step 6: Final answer
    x = 151,416.12

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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.