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Finding the Fourth Proportional to 173,396.31, 260,146.89 and 122,893.01

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Solution

The fourth proportional to 173,396.31, 260,146.89 and 122,893.01 is: 184,376.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,396.31 : 260,146.89 = 122,893.01 : x
  2. Step 2: Convert to fraction form
    173,396.31/260,146.89 = 122,893.01/x
  3. Step 3: Cross multiply
    173,396.31x = 260,146.89 × 122,893.01
  4. Step 4: Simplify right side
    173,396.31x = 31,970,234,354.24
  5. Step 5: Solve for x
    x = 31,970,234,354.24/173,396.31
  6. Step 6: Final answer
    x = 184,376.67

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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.