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Finding the Fourth Proportional to 223,748.94, 335,519.36 and 81,495.19

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Solution

The fourth proportional to 223,748.94, 335,519.36 and 81,495.19 is: 122,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,748.94 : 335,519.36 = 81,495.19 : x
  2. Step 2: Convert to fraction form
    223,748.94/335,519.36 = 81,495.19/x
  3. Step 3: Cross multiply
    223,748.94x = 335,519.36 × 81,495.19
  4. Step 4: Simplify right side
    223,748.94x = 27,343,212,880.52
  5. Step 5: Solve for x
    x = 27,343,212,880.52/223,748.94
  6. Step 6: Final answer
    x = 122,204.88

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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.