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Finding the Fourth Proportional to 104,157.36, 156,203.81 and 37,589.06

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Solution

The fourth proportional to 104,157.36, 156,203.81 and 37,589.06 is: 56,371.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,157.36 : 156,203.81 = 37,589.06 : x
  2. Step 2: Convert to fraction form
    104,157.36/156,203.81 = 37,589.06/x
  3. Step 3: Cross multiply
    104,157.36x = 156,203.81 × 37,589.06
  4. Step 4: Simplify right side
    104,157.36x = 5,871,554,729.84
  5. Step 5: Solve for x
    x = 5,871,554,729.84/104,157.36
  6. Step 6: Final answer
    x = 56,371.96

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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.