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Finding the Fourth Proportional to 168,578.66, 252,877.73 and 63,398.54

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Solution

The fourth proportional to 168,578.66, 252,877.73 and 63,398.54 is: 95,101.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,578.66 : 252,877.73 = 63,398.54 : x
  2. Step 2: Convert to fraction form
    168,578.66/252,877.73 = 63,398.54/x
  3. Step 3: Cross multiply
    168,578.66x = 252,877.73 × 63,398.54
  4. Step 4: Simplify right side
    168,578.66x = 16,032,078,880.51
  5. Step 5: Solve for x
    x = 16,032,078,880.51/168,578.66
  6. Step 6: Final answer
    x = 95,101.47

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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.