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Finding the Fourth Proportional to 152,951.98, 211,107.46 and 84,992.28

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Solution

The fourth proportional to 152,951.98, 211,107.46 and 84,992.28 is: 117,308.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,951.98 : 211,107.46 = 84,992.28 : x
  2. Step 2: Convert to fraction form
    152,951.98/211,107.46 = 84,992.28/x
  3. Step 3: Cross multiply
    152,951.98x = 211,107.46 × 84,992.28
  4. Step 4: Simplify right side
    152,951.98x = 17,942,504,350.41
  5. Step 5: Solve for x
    x = 17,942,504,350.41/152,951.98
  6. Step 6: Final answer
    x = 117,308.09

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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.