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Finding the Fourth Proportional to 168,664.97, 253,033.91 and 63,483.64

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Solution

The fourth proportional to 168,664.97, 253,033.91 and 63,483.64 is: 95,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,664.97 : 253,033.91 = 63,483.64 : x
  2. Step 2: Convert to fraction form
    168,664.97/253,033.91 = 63,483.64/x
  3. Step 3: Cross multiply
    168,664.97x = 253,033.91 × 63,483.64
  4. Step 4: Simplify right side
    168,664.97x = 16,063,513,650.23
  5. Step 5: Solve for x
    x = 16,063,513,650.23/168,664.97
  6. Step 6: Final answer
    x = 95,239.18

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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.