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Finding the Fourth Proportional to 168,656.80, 252,985.20 and 63,499.36

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Solution

The fourth proportional to 168,656.80, 252,985.20 and 63,499.36 is: 95,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,656.80 : 252,985.20 = 63,499.36 : x
  2. Step 2: Convert to fraction form
    168,656.80/252,985.20 = 63,499.36/x
  3. Step 3: Cross multiply
    168,656.80x = 252,985.20 × 63,499.36
  4. Step 4: Simplify right side
    168,656.80x = 16,064,398,289.47
  5. Step 5: Solve for x
    x = 16,064,398,289.47/168,656.80
  6. Step 6: Final answer
    x = 95,249.04

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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.