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Finding the Fourth Proportional to 173,474.91, 239,368.19 and 100,893.87

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Solution

The fourth proportional to 173,474.91, 239,368.19 and 100,893.87 is: 139,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,474.91 : 239,368.19 = 100,893.87 : x
  2. Step 2: Convert to fraction form
    173,474.91/239,368.19 = 100,893.87/x
  3. Step 3: Cross multiply
    173,474.91x = 239,368.19 × 100,893.87
  4. Step 4: Simplify right side
    173,474.91x = 24,150,782,539.53
  5. Step 5: Solve for x
    x = 24,150,782,539.53/173,474.91
  6. Step 6: Final answer
    x = 139,217.73

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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.