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Finding the Fourth Proportional to 173,388.85, 260,083.28 and 48,729.85

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Solution

The fourth proportional to 173,388.85, 260,083.28 and 48,729.85 is: 73,094.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,388.85 : 260,083.28 = 48,729.85 : x
  2. Step 2: Convert to fraction form
    173,388.85/260,083.28 = 48,729.85/x
  3. Step 3: Cross multiply
    173,388.85x = 260,083.28 × 48,729.85
  4. Step 4: Simplify right side
    173,388.85x = 12,673,819,221.91
  5. Step 5: Solve for x
    x = 12,673,819,221.91/173,388.85
  6. Step 6: Final answer
    x = 73,094.78

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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.