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Finding the Fourth Proportional to 203,187.29, 304,633.31 and 84,892.46

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Solution

The fourth proportional to 203,187.29, 304,633.31 and 84,892.46 is: 127,277.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,187.29 : 304,633.31 = 84,892.46 : x
  2. Step 2: Convert to fraction form
    203,187.29/304,633.31 = 84,892.46/x
  3. Step 3: Cross multiply
    203,187.29x = 304,633.31 × 84,892.46
  4. Step 4: Simplify right side
    203,187.29x = 25,861,069,136.21
  5. Step 5: Solve for x
    x = 25,861,069,136.21/203,187.29
  6. Step 6: Final answer
    x = 127,277.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.