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Finding the Fourth Proportional to 114,107.12, 171,018.12 and 54,926.96

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Solution

The fourth proportional to 114,107.12, 171,018.12 and 54,926.96 is: 82,321.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,107.12 : 171,018.12 = 54,926.96 : x
  2. Step 2: Convert to fraction form
    114,107.12/171,018.12 = 54,926.96/x
  3. Step 3: Cross multiply
    114,107.12x = 171,018.12 × 54,926.96
  4. Step 4: Simplify right side
    114,107.12x = 9,393,505,436.52
  5. Step 5: Solve for x
    x = 9,393,505,436.52/114,107.12
  6. Step 6: Final answer
    x = 82,321.82

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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.