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Finding the Fourth Proportional to 223,636.81, 335,387.17 and 63,725.80

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Solution

The fourth proportional to 223,636.81, 335,387.17 and 63,725.80 is: 95,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,636.81 : 335,387.17 = 63,725.80 : x
  2. Step 2: Convert to fraction form
    223,636.81/335,387.17 = 63,725.80/x
  3. Step 3: Cross multiply
    223,636.81x = 335,387.17 × 63,725.80
  4. Step 4: Simplify right side
    223,636.81x = 21,372,815,717.99
  5. Step 5: Solve for x
    x = 21,372,815,717.99/223,636.81
  6. Step 6: Final answer
    x = 95,569.31

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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.