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Finding the Fourth Proportional to 273,127.82, 376,965.08 and 171,240.62

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Solution

The fourth proportional to 273,127.82, 376,965.08 and 171,240.62 is: 236,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,127.82 : 376,965.08 = 171,240.62 : x
  2. Step 2: Convert to fraction form
    273,127.82/376,965.08 = 171,240.62/x
  3. Step 3: Cross multiply
    273,127.82x = 376,965.08 × 171,240.62
  4. Step 4: Simplify right side
    273,127.82x = 64,551,732,881.90
  5. Step 5: Solve for x
    x = 64,551,732,881.90/273,127.82
  6. Step 6: Final answer
    x = 236,342.58

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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.