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Finding the Fourth Proportional to 169,388.45, 233,754.46 and 92,905.98

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Solution

The fourth proportional to 169,388.45, 233,754.46 and 92,905.98 is: 128,209.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,388.45 : 233,754.46 = 92,905.98 : x
  2. Step 2: Convert to fraction form
    169,388.45/233,754.46 = 92,905.98/x
  3. Step 3: Cross multiply
    169,388.45x = 233,754.46 × 92,905.98
  4. Step 4: Simplify right side
    169,388.45x = 21,717,187,185.67
  5. Step 5: Solve for x
    x = 21,717,187,185.67/169,388.45
  6. Step 6: Final answer
    x = 128,209.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.