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Finding the Fourth Proportional to 89,796.33, 134,734.23 and 47,091.57

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Solution

The fourth proportional to 89,796.33, 134,734.23 and 47,091.57 is: 70,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,796.33 : 134,734.23 = 47,091.57 : x
  2. Step 2: Convert to fraction form
    89,796.33/134,734.23 = 47,091.57/x
  3. Step 3: Cross multiply
    89,796.33x = 134,734.23 × 47,091.57
  4. Step 4: Simplify right side
    89,796.33x = 6,344,846,423.44
  5. Step 5: Solve for x
    x = 6,344,846,423.44/89,796.33
  6. Step 6: Final answer
    x = 70,658.19

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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.