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Finding the Fourth Proportional to 104,168.81, 156,221.00 and 37,600.47

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Solution

The fourth proportional to 104,168.81, 156,221.00 and 37,600.47 is: 56,389.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,168.81 : 156,221.00 = 37,600.47 : x
  2. Step 2: Convert to fraction form
    104,168.81/156,221.00 = 37,600.47/x
  3. Step 3: Cross multiply
    104,168.81x = 156,221.00 × 37,600.47
  4. Step 4: Simplify right side
    104,168.81x = 5,873,982,835.87
  5. Step 5: Solve for x
    x = 5,873,982,835.87/104,168.81
  6. Step 6: Final answer
    x = 56,389.08

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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.