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Finding the Fourth Proportional to 169,357.58, 233,716.67 and 92,872.11

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Solution

The fourth proportional to 169,357.58, 233,716.67 and 92,872.11 is: 128,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,357.58 : 233,716.67 = 92,872.11 : x
  2. Step 2: Convert to fraction form
    169,357.58/233,716.67 = 92,872.11/x
  3. Step 3: Cross multiply
    169,357.58x = 233,716.67 × 92,872.11
  4. Step 4: Simplify right side
    169,357.58x = 21,705,760,285.07
  5. Step 5: Solve for x
    x = 21,705,760,285.07/169,357.58
  6. Step 6: Final answer
    x = 128,165.27

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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.