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Finding the Fourth Proportional to 84,096.88, 116,064.15 and 48,286.12

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Solution

The fourth proportional to 84,096.88, 116,064.15 and 48,286.12 is: 66,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,096.88 : 116,064.15 = 48,286.12 : x
  2. Step 2: Convert to fraction form
    84,096.88/116,064.15 = 48,286.12/x
  3. Step 3: Cross multiply
    84,096.88x = 116,064.15 × 48,286.12
  4. Step 4: Simplify right side
    84,096.88x = 5,604,287,474.60
  5. Step 5: Solve for x
    x = 5,604,287,474.60/84,096.88
  6. Step 6: Final answer
    x = 66,640.85

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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.