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Finding the Fourth Proportional to 166,642.26, 249,963.39 and 41,992.98

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Solution

The fourth proportional to 166,642.26, 249,963.39 and 41,992.98 is: 62,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,642.26 : 249,963.39 = 41,992.98 : x
  2. Step 2: Convert to fraction form
    166,642.26/249,963.39 = 41,992.98/x
  3. Step 3: Cross multiply
    166,642.26x = 249,963.39 × 41,992.98
  4. Step 4: Simplify right side
    166,642.26x = 10,496,707,637.00
  5. Step 5: Solve for x
    x = 10,496,707,637.00/166,642.26
  6. Step 6: Final answer
    x = 62,989.47

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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.