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Finding the Fourth Proportional to 144,361.28, 216,554 and 37,745.03

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Solution

The fourth proportional to 144,361.28, 216,554 and 37,745.03 is: 56,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,361.28 : 216,554 = 37,745.03 : x
  2. Step 2: Convert to fraction form
    144,361.28/216,554 = 37,745.03/x
  3. Step 3: Cross multiply
    144,361.28x = 216,554 × 37,745.03
  4. Step 4: Simplify right side
    144,361.28x = 8,173,837,226.62
  5. Step 5: Solve for x
    x = 8,173,837,226.62/144,361.28
  6. Step 6: Final answer
    x = 56,620.70

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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.