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Finding the Fourth Proportional to 193,008.01, 289,191.88 and 136,568.36

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Solution

The fourth proportional to 193,008.01, 289,191.88 and 136,568.36 is: 204,626.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,008.01 : 289,191.88 = 136,568.36 : x
  2. Step 2: Convert to fraction form
    193,008.01/289,191.88 = 136,568.36/x
  3. Step 3: Cross multiply
    193,008.01x = 289,191.88 × 136,568.36
  4. Step 4: Simplify right side
    193,008.01x = 39,494,460,776.92
  5. Step 5: Solve for x
    x = 39,494,460,776.92/193,008.01
  6. Step 6: Final answer
    x = 204,626.02

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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.