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Finding the Fourth Proportional to 94,195.25, 129,960.12 and 57,858.59

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Solution

The fourth proportional to 94,195.25, 129,960.12 and 57,858.59 is: 79,826.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,195.25 : 129,960.12 = 57,858.59 : x
  2. Step 2: Convert to fraction form
    94,195.25/129,960.12 = 57,858.59/x
  3. Step 3: Cross multiply
    94,195.25x = 129,960.12 × 57,858.59
  4. Step 4: Simplify right side
    94,195.25x = 7,519,309,299.43
  5. Step 5: Solve for x
    x = 7,519,309,299.43/94,195.25
  6. Step 6: Final answer
    x = 79,826.84

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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.