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Finding the Fourth Proportional to 269,401.46, 371,747.72 and 166,019.58

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Solution

The fourth proportional to 269,401.46, 371,747.72 and 166,019.58 is: 229,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,401.46 : 371,747.72 = 166,019.58 : x
  2. Step 2: Convert to fraction form
    269,401.46/371,747.72 = 166,019.58/x
  3. Step 3: Cross multiply
    269,401.46x = 371,747.72 × 166,019.58
  4. Step 4: Simplify right side
    269,401.46x = 61,717,399,510.26
  5. Step 5: Solve for x
    x = 61,717,399,510.26/269,401.46
  6. Step 6: Final answer
    x = 229,090.82

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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.