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Finding the Fourth Proportional to 169,011, 253,520.10 and 63,879.48

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Solution

The fourth proportional to 169,011, 253,520.10 and 63,879.48 is: 95,820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,011 : 253,520.10 = 63,879.48 : x
  2. Step 2: Convert to fraction form
    169,011/253,520.10 = 63,879.48/x
  3. Step 3: Cross multiply
    169,011x = 253,520.10 × 63,879.48
  4. Step 4: Simplify right side
    169,011x = 16,194,732,157.55
  5. Step 5: Solve for x
    x = 16,194,732,157.55/169,011
  6. Step 6: Final answer
    x = 95,820.58

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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.