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Finding the Fourth Proportional to 166,651.62, 249,979.05 and 41,992.62

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Solution

The fourth proportional to 166,651.62, 249,979.05 and 41,992.62 is: 62,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,651.62 : 249,979.05 = 41,992.62 : x
  2. Step 2: Convert to fraction form
    166,651.62/249,979.05 = 41,992.62/x
  3. Step 3: Cross multiply
    166,651.62x = 249,979.05 × 41,992.62
  4. Step 4: Simplify right side
    166,651.62x = 10,497,275,254.61
  5. Step 5: Solve for x
    x = 10,497,275,254.61/166,651.62
  6. Step 6: Final answer
    x = 62,989.34

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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.