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Finding the Fourth Proportional to 169,017.84, 233,243.82 and 91,493.28

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Solution

The fourth proportional to 169,017.84, 233,243.82 and 91,493.28 is: 126,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,017.84 : 233,243.82 = 91,493.28 : x
  2. Step 2: Convert to fraction form
    169,017.84/233,243.82 = 91,493.28/x
  3. Step 3: Cross multiply
    169,017.84x = 233,243.82 × 91,493.28
  4. Step 4: Simplify right side
    169,017.84x = 21,340,242,131.53
  5. Step 5: Solve for x
    x = 21,340,242,131.53/169,017.84
  6. Step 6: Final answer
    x = 126,260.29

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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.