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Finding the Fourth Proportional to 274,914.84, 412,002.90 and 117,100.92

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Solution

The fourth proportional to 274,914.84, 412,002.90 and 117,100.92 is: 175,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,914.84 : 412,002.90 = 117,100.92 : x
  2. Step 2: Convert to fraction form
    274,914.84/412,002.90 = 117,100.92/x
  3. Step 3: Cross multiply
    274,914.84x = 412,002.90 × 117,100.92
  4. Step 4: Simplify right side
    274,914.84x = 48,245,918,632.67
  5. Step 5: Solve for x
    x = 48,245,918,632.67/274,914.84
  6. Step 6: Final answer
    x = 175,494.05

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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.