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Finding the Fourth Proportional to 168,936.98, 253,442.72 and 63,756.86

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Solution

The fourth proportional to 168,936.98, 253,442.72 and 63,756.86 is: 95,649.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,936.98 : 253,442.72 = 63,756.86 : x
  2. Step 2: Convert to fraction form
    168,936.98/253,442.72 = 63,756.86/x
  3. Step 3: Cross multiply
    168,936.98x = 253,442.72 × 63,756.86
  4. Step 4: Simplify right side
    168,936.98x = 16,158,710,909.24
  5. Step 5: Solve for x
    x = 16,158,710,909.24/168,936.98
  6. Step 6: Final answer
    x = 95,649.34

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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.