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Finding the Fourth Proportional to 193,195.68, 289,811.90 and 60,040.08

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Solution

The fourth proportional to 193,195.68, 289,811.90 and 60,040.08 is: 90,065.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,195.68 : 289,811.90 = 60,040.08 : x
  2. Step 2: Convert to fraction form
    193,195.68/289,811.90 = 60,040.08/x
  3. Step 3: Cross multiply
    193,195.68x = 289,811.90 × 60,040.08
  4. Step 4: Simplify right side
    193,195.68x = 17,400,329,660.95
  5. Step 5: Solve for x
    x = 17,400,329,660.95/193,195.68
  6. Step 6: Final answer
    x = 90,065.83

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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.