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Finding the Fourth Proportional to 100,337.33, 150,509.30 and 37,173.40

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Solution

The fourth proportional to 100,337.33, 150,509.30 and 37,173.40 is: 55,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,337.33 : 150,509.30 = 37,173.40 : x
  2. Step 2: Convert to fraction form
    100,337.33/150,509.30 = 37,173.40/x
  3. Step 3: Cross multiply
    100,337.33x = 150,509.30 × 37,173.40
  4. Step 4: Simplify right side
    100,337.33x = 5,594,942,412.62
  5. Step 5: Solve for x
    x = 5,594,942,412.62/100,337.33
  6. Step 6: Final answer
    x = 55,761.32

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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.