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Finding the Fourth Proportional to 173,919.96, 260,996.85 and 61,599.78

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Solution

The fourth proportional to 173,919.96, 260,996.85 and 61,599.78 is: 92,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,919.96 : 260,996.85 = 61,599.78 : x
  2. Step 2: Convert to fraction form
    173,919.96/260,996.85 = 61,599.78/x
  3. Step 3: Cross multiply
    173,919.96x = 260,996.85 × 61,599.78
  4. Step 4: Simplify right side
    173,919.96x = 16,077,348,540.69
  5. Step 5: Solve for x
    x = 16,077,348,540.69/173,919.96
  6. Step 6: Final answer
    x = 92,441.08

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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.