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Finding the Fourth Proportional to 172,834.44, 259,251.66 and 54,515.00

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Solution

The fourth proportional to 172,834.44, 259,251.66 and 54,515.00 is: 81,772.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,834.44 : 259,251.66 = 54,515.00 : x
  2. Step 2: Convert to fraction form
    172,834.44/259,251.66 = 54,515.00/x
  3. Step 3: Cross multiply
    172,834.44x = 259,251.66 × 54,515.00
  4. Step 4: Simplify right side
    172,834.44x = 14,133,104,893.03
  5. Step 5: Solve for x
    x = 14,133,104,893.03/172,834.44
  6. Step 6: Final answer
    x = 81,772.50

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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.