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Finding the Fourth Proportional to 164,149.31, 246,223.97 and 39,490.31

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Solution

The fourth proportional to 164,149.31, 246,223.97 and 39,490.31 is: 59,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,149.31 : 246,223.97 = 39,490.31 : x
  2. Step 2: Convert to fraction form
    164,149.31/246,223.97 = 39,490.31/x
  3. Step 3: Cross multiply
    164,149.31x = 246,223.97 × 39,490.31
  4. Step 4: Simplify right side
    164,149.31x = 9,723,461,470.93
  5. Step 5: Solve for x
    x = 9,723,461,470.93/164,149.31
  6. Step 6: Final answer
    x = 59,235.47

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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.