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Finding the Fourth Proportional to 251,333.38, 377,027.55 and 109,080.88

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Solution

The fourth proportional to 251,333.38, 377,027.55 and 109,080.88 is: 163,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,333.38 : 377,027.55 = 109,080.88 : x
  2. Step 2: Convert to fraction form
    251,333.38/377,027.55 = 109,080.88/x
  3. Step 3: Cross multiply
    251,333.38x = 377,027.55 × 109,080.88
  4. Step 4: Simplify right side
    251,333.38x = 41,126,496,938.24
  5. Step 5: Solve for x
    x = 41,126,496,938.24/251,333.38
  6. Step 6: Final answer
    x = 163,633.25

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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.