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Finding the Fourth Proportional to 184,489.80, 276,783.30 and 66,148.80

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Solution

The fourth proportional to 184,489.80, 276,783.30 and 66,148.80 is: 99,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,489.80 : 276,783.30 = 66,148.80 : x
  2. Step 2: Convert to fraction form
    184,489.80/276,783.30 = 66,148.80/x
  3. Step 3: Cross multiply
    184,489.80x = 276,783.30 × 66,148.80
  4. Step 4: Simplify right side
    184,489.80x = 18,308,883,155.04
  5. Step 5: Solve for x
    x = 18,308,883,155.04/184,489.80
  6. Step 6: Final answer
    x = 99,240.63

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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.