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Finding the Fourth Proportional to 122,816.80, 184,225.20 and 43,933.60

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Solution

The fourth proportional to 122,816.80, 184,225.20 and 43,933.60 is: 65,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,816.80 : 184,225.20 = 43,933.60 : x
  2. Step 2: Convert to fraction form
    122,816.80/184,225.20 = 43,933.60/x
  3. Step 3: Cross multiply
    122,816.80x = 184,225.20 × 43,933.60
  4. Step 4: Simplify right side
    122,816.80x = 8,093,676,246.72
  5. Step 5: Solve for x
    x = 8,093,676,246.72/122,816.80
  6. Step 6: Final answer
    x = 65,900.40

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1.5x scale

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.