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Finding the Fourth Proportional to 172,115.84, 237,519.41 and 95,634.63

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Solution

The fourth proportional to 172,115.84, 237,519.41 and 95,634.63 is: 131,975.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,115.84 : 237,519.41 = 95,634.63 : x
  2. Step 2: Convert to fraction form
    172,115.84/237,519.41 = 95,634.63/x
  3. Step 3: Cross multiply
    172,115.84x = 237,519.41 × 95,634.63
  4. Step 4: Simplify right side
    172,115.84x = 22,715,080,415.00
  5. Step 5: Solve for x
    x = 22,715,080,415.00/172,115.84
  6. Step 6: Final answer
    x = 131,975.54

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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.