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Finding the Fourth Proportional to 316,994.70, 475,563.80 and 182,121.04

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Solution

The fourth proportional to 316,994.70, 475,563.80 and 182,121.04 is: 273,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,994.70 : 475,563.80 = 182,121.04 : x
  2. Step 2: Convert to fraction form
    316,994.70/475,563.80 = 182,121.04/x
  3. Step 3: Cross multiply
    316,994.70x = 475,563.80 × 182,121.04
  4. Step 4: Simplify right side
    316,994.70x = 86,610,173,108.75
  5. Step 5: Solve for x
    x = 86,610,173,108.75/316,994.70
  6. Step 6: Final answer
    x = 273,222.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.