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Finding the Fourth Proportional to 250,440.96, 345,499.92 and 165,676.08

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Solution

The fourth proportional to 250,440.96, 345,499.92 and 165,676.08 is: 228,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,440.96 : 345,499.92 = 165,676.08 : x
  2. Step 2: Convert to fraction form
    250,440.96/345,499.92 = 165,676.08/x
  3. Step 3: Cross multiply
    250,440.96x = 345,499.92 × 165,676.08
  4. Step 4: Simplify right side
    250,440.96x = 57,241,072,385.91
  5. Step 5: Solve for x
    x = 57,241,072,385.91/250,440.96
  6. Step 6: Final answer
    x = 228,561.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.