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Finding the Fourth Proportional to 304,866.52, 420,699.23 and 168,892.36

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Solution

The fourth proportional to 304,866.52, 420,699.23 and 168,892.36 is: 233,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,866.52 : 420,699.23 = 168,892.36 : x
  2. Step 2: Convert to fraction form
    304,866.52/420,699.23 = 168,892.36/x
  3. Step 3: Cross multiply
    304,866.52x = 420,699.23 × 168,892.36
  4. Step 4: Simplify right side
    304,866.52x = 71,052,882,856.92
  5. Step 5: Solve for x
    x = 71,052,882,856.92/304,866.52
  6. Step 6: Final answer
    x = 233,062.27

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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.