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Finding the Fourth Proportional to 164,611.40, 246,917.10 and 162,861.80

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Solution

The fourth proportional to 164,611.40, 246,917.10 and 162,861.80 is: 244,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,611.40 : 246,917.10 = 162,861.80 : x
  2. Step 2: Convert to fraction form
    164,611.40/246,917.10 = 162,861.80/x
  3. Step 3: Cross multiply
    164,611.40x = 246,917.10 × 162,861.80
  4. Step 4: Simplify right side
    164,611.40x = 40,213,363,356.78
  5. Step 5: Solve for x
    x = 40,213,363,356.78/164,611.40
  6. Step 6: Final answer
    x = 244,292.70

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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.