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Finding the Fourth Proportional to 180,958.84, 271,402.54 and 61,003.92

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Solution

The fourth proportional to 180,958.84, 271,402.54 and 61,003.92 is: 91,493.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,958.84 : 271,402.54 = 61,003.92 : x
  2. Step 2: Convert to fraction form
    180,958.84/271,402.54 = 61,003.92/x
  3. Step 3: Cross multiply
    180,958.84x = 271,402.54 × 61,003.92
  4. Step 4: Simplify right side
    180,958.84x = 16,556,618,837.96
  5. Step 5: Solve for x
    x = 16,556,618,837.96/180,958.84
  6. Step 6: Final answer
    x = 91,493.84

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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.