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Finding the Fourth Proportional to 84,658.88, 116,850.12 and 50,232.80

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Solution

The fourth proportional to 84,658.88, 116,850.12 and 50,232.80 is: 69,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,658.88 : 116,850.12 = 50,232.80 : x
  2. Step 2: Convert to fraction form
    84,658.88/116,850.12 = 50,232.80/x
  3. Step 3: Cross multiply
    84,658.88x = 116,850.12 × 50,232.80
  4. Step 4: Simplify right side
    84,658.88x = 5,869,708,707.94
  5. Step 5: Solve for x
    x = 5,869,708,707.94/84,658.88
  6. Step 6: Final answer
    x = 69,333.64

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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.