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Finding the Fourth Proportional to 192,938.56, 289,506.53 and 91,850.83

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Solution

The fourth proportional to 192,938.56, 289,506.53 and 91,850.83 is: 137,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,938.56 : 289,506.53 = 91,850.83 : x
  2. Step 2: Convert to fraction form
    192,938.56/289,506.53 = 91,850.83/x
  3. Step 3: Cross multiply
    192,938.56x = 289,506.53 × 91,850.83
  4. Step 4: Simplify right side
    192,938.56x = 26,591,415,070.92
  5. Step 5: Solve for x
    x = 26,591,415,070.92/192,938.56
  6. Step 6: Final answer
    x = 137,823.23

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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.