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Finding the Fourth Proportional to 229,104.40, 343,656.60 and 122,816.20

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Solution

The fourth proportional to 229,104.40, 343,656.60 and 122,816.20 is: 184,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,104.40 : 343,656.60 = 122,816.20 : x
  2. Step 2: Convert to fraction form
    229,104.40/343,656.60 = 122,816.20/x
  3. Step 3: Cross multiply
    229,104.40x = 343,656.60 × 122,816.20
  4. Step 4: Simplify right side
    229,104.40x = 42,206,597,716.92
  5. Step 5: Solve for x
    x = 42,206,597,716.92/229,104.40
  6. Step 6: Final answer
    x = 184,224.30

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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.