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Finding the Fourth Proportional to 73,245.55, 109,755.25 and 49,459.88

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Solution

The fourth proportional to 73,245.55, 109,755.25 and 49,459.88 is: 74,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,245.55 : 109,755.25 = 49,459.88 : x
  2. Step 2: Convert to fraction form
    73,245.55/109,755.25 = 49,459.88/x
  3. Step 3: Cross multiply
    73,245.55x = 109,755.25 × 49,459.88
  4. Step 4: Simplify right side
    73,245.55x = 5,428,481,494.37
  5. Step 5: Solve for x
    x = 5,428,481,494.37/73,245.55
  6. Step 6: Final answer
    x = 74,113.46

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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.