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Finding the Fourth Proportional to 172,338.06, 237,823.11 and 95,855.51

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Solution

The fourth proportional to 172,338.06, 237,823.11 and 95,855.51 is: 132,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,338.06 : 237,823.11 = 95,855.51 : x
  2. Step 2: Convert to fraction form
    172,338.06/237,823.11 = 95,855.51/x
  3. Step 3: Cross multiply
    172,338.06x = 237,823.11 × 95,855.51
  4. Step 4: Simplify right side
    172,338.06x = 22,796,655,498.84
  5. Step 5: Solve for x
    x = 22,796,655,498.84/172,338.06
  6. Step 6: Final answer
    x = 132,278.71

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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.