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Finding the Fourth Proportional to 104,611.93, 156,866.87 and 37,121.11

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Solution

The fourth proportional to 104,611.93, 156,866.87 and 37,121.11 is: 55,663.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,611.93 : 156,866.87 = 37,121.11 : x
  2. Step 2: Convert to fraction form
    104,611.93/156,866.87 = 37,121.11/x
  3. Step 3: Cross multiply
    104,611.93x = 156,866.87 × 37,121.11
  4. Step 4: Simplify right side
    104,611.93x = 5,823,072,151.02
  5. Step 5: Solve for x
    x = 5,823,072,151.02/104,611.93
  6. Step 6: Final answer
    x = 55,663.56

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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.