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Finding the Fourth Proportional to 164,539.92, 246,908.56 and 71,045.60

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Solution

The fourth proportional to 164,539.92, 246,908.56 and 71,045.60 is: 106,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,539.92 : 246,908.56 = 71,045.60 : x
  2. Step 2: Convert to fraction form
    164,539.92/246,908.56 = 71,045.60/x
  3. Step 3: Cross multiply
    164,539.92x = 246,908.56 × 71,045.60
  4. Step 4: Simplify right side
    164,539.92x = 17,541,766,790.34
  5. Step 5: Solve for x
    x = 17,541,766,790.34/164,539.92
  6. Step 6: Final answer
    x = 106,611.01

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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.