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Finding the Fourth Proportional to 272,673.82, 376,288.99 and 151,811.97

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Solution

The fourth proportional to 272,673.82, 376,288.99 and 151,811.97 is: 209,500.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,673.82 : 376,288.99 = 151,811.97 : x
  2. Step 2: Convert to fraction form
    272,673.82/376,288.99 = 151,811.97/x
  3. Step 3: Cross multiply
    272,673.82x = 376,288.99 × 151,811.97
  4. Step 4: Simplify right side
    272,673.82x = 57,125,172,861.21
  5. Step 5: Solve for x
    x = 57,125,172,861.21/272,673.82
  6. Step 6: Final answer
    x = 209,500.03

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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.