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Finding the Fourth Proportional to 167,648.49, 251,448.12 and 55,332.37

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Solution

The fourth proportional to 167,648.49, 251,448.12 and 55,332.37 is: 82,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,648.49 : 251,448.12 = 55,332.37 : x
  2. Step 2: Convert to fraction form
    167,648.49/251,448.12 = 55,332.37/x
  3. Step 3: Cross multiply
    167,648.49x = 251,448.12 × 55,332.37
  4. Step 4: Simplify right side
    167,648.49x = 13,913,220,411.64
  5. Step 5: Solve for x
    x = 13,913,220,411.64/167,648.49
  6. Step 6: Final answer
    x = 82,990.43

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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.