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Finding the Fourth Proportional to 252,648.74, 348,713.90 and 166,623.30

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Solution

The fourth proportional to 252,648.74, 348,713.90 and 166,623.30 is: 229,978.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,648.74 : 348,713.90 = 166,623.30 : x
  2. Step 2: Convert to fraction form
    252,648.74/348,713.90 = 166,623.30/x
  3. Step 3: Cross multiply
    252,648.74x = 348,713.90 × 166,623.30
  4. Step 4: Simplify right side
    252,648.74x = 58,103,859,940.75
  5. Step 5: Solve for x
    x = 58,103,859,940.75/252,648.74
  6. Step 6: Final answer
    x = 229,978.83

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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.