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Finding the Fourth Proportional to 184,089.20, 275,939.40 and 105,033.20

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Solution

The fourth proportional to 184,089.20, 275,939.40 and 105,033.20 is: 157,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,089.20 : 275,939.40 = 105,033.20 : x
  2. Step 2: Convert to fraction form
    184,089.20/275,939.40 = 105,033.20/x
  3. Step 3: Cross multiply
    184,089.20x = 275,939.40 × 105,033.20
  4. Step 4: Simplify right side
    184,089.20x = 28,982,798,188.08
  5. Step 5: Solve for x
    x = 28,982,798,188.08/184,089.20
  6. Step 6: Final answer
    x = 157,438.88

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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.