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Finding the Fourth Proportional to 367,449.45, 551,173.97 and 114,751.59

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Solution

The fourth proportional to 367,449.45, 551,173.97 and 114,751.59 is: 172,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,449.45 : 551,173.97 = 114,751.59 : x
  2. Step 2: Convert to fraction form
    367,449.45/551,173.97 = 114,751.59/x
  3. Step 3: Cross multiply
    367,449.45x = 551,173.97 × 114,751.59
  4. Step 4: Simplify right side
    367,449.45x = 63,248,088,850.35
  5. Step 5: Solve for x
    x = 63,248,088,850.35/367,449.45
  6. Step 6: Final answer
    x = 172,127.32

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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.