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Finding the Fourth Proportional to 168,264.86, 252,186.82 and 84,048.54

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Solution

The fourth proportional to 168,264.86, 252,186.82 and 84,048.54 is: 125,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,264.86 : 252,186.82 = 84,048.54 : x
  2. Step 2: Convert to fraction form
    168,264.86/252,186.82 = 84,048.54/x
  3. Step 3: Cross multiply
    168,264.86x = 252,186.82 × 84,048.54
  4. Step 4: Simplify right side
    168,264.86x = 21,195,933,818.12
  5. Step 5: Solve for x
    x = 21,195,933,818.12/168,264.86
  6. Step 6: Final answer
    x = 125,967.68

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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.