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Finding the Fourth Proportional to 272,552.82, 376,119.12 and 151,694.07

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Solution

The fourth proportional to 272,552.82, 376,119.12 and 151,694.07 is: 209,335.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,552.82 : 376,119.12 = 151,694.07 : x
  2. Step 2: Convert to fraction form
    272,552.82/376,119.12 = 151,694.07/x
  3. Step 3: Cross multiply
    272,552.82x = 376,119.12 × 151,694.07
  4. Step 4: Simplify right side
    272,552.82x = 57,055,040,117.62
  5. Step 5: Solve for x
    x = 57,055,040,117.62/272,552.82
  6. Step 6: Final answer
    x = 209,335.72

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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.