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Finding the Fourth Proportional to 184,449.60, 276,674.40 and 66,124.80

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Solution

The fourth proportional to 184,449.60, 276,674.40 and 66,124.80 is: 99,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,449.60 : 276,674.40 = 66,124.80 : x
  2. Step 2: Convert to fraction form
    184,449.60/276,674.40 = 66,124.80/x
  3. Step 3: Cross multiply
    184,449.60x = 276,674.40 × 66,124.80
  4. Step 4: Simplify right side
    184,449.60x = 18,295,039,365.12
  5. Step 5: Solve for x
    x = 18,295,039,365.12/184,449.60
  6. Step 6: Final answer
    x = 99,187.20

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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.