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Finding the Fourth Proportional to 227,994.98, 342,061.68 and 121,360.80

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Solution

The fourth proportional to 227,994.98, 342,061.68 and 121,360.80 is: 182,078.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,994.98 : 342,061.68 = 121,360.80 : x
  2. Step 2: Convert to fraction form
    227,994.98/342,061.68 = 121,360.80/x
  3. Step 3: Cross multiply
    227,994.98x = 342,061.68 × 121,360.80
  4. Step 4: Simplify right side
    227,994.98x = 41,512,879,134.14
  5. Step 5: Solve for x
    x = 41,512,879,134.14/227,994.98
  6. Step 6: Final answer
    x = 182,078.04

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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.