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Finding the Fourth Proportional to 166,682.80, 249,849.24 and 119,910.16

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Solution

The fourth proportional to 166,682.80, 249,849.24 and 119,910.16 is: 179,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,682.80 : 249,849.24 = 119,910.16 : x
  2. Step 2: Convert to fraction form
    166,682.80/249,849.24 = 119,910.16/x
  3. Step 3: Cross multiply
    166,682.80x = 249,849.24 × 119,910.16
  4. Step 4: Simplify right side
    166,682.80x = 29,959,462,344.28
  5. Step 5: Solve for x
    x = 29,959,462,344.28/166,682.80
  6. Step 6: Final answer
    x = 179,739.38

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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.