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Finding the Fourth Proportional to 122,918.80, 184,378.20 and 44,035.60

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Solution

The fourth proportional to 122,918.80, 184,378.20 and 44,035.60 is: 66,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,918.80 : 184,378.20 = 44,035.60 : x
  2. Step 2: Convert to fraction form
    122,918.80/184,378.20 = 44,035.60/x
  3. Step 3: Cross multiply
    122,918.80x = 184,378.20 × 44,035.60
  4. Step 4: Simplify right side
    122,918.80x = 8,119,204,663.92
  5. Step 5: Solve for x
    x = 8,119,204,663.92/122,918.80
  6. Step 6: Final answer
    x = 66,053.40

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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.