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Finding the Fourth Proportional to 223,999.80, 335,999.70 and 144,684.60

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Solution

The fourth proportional to 223,999.80, 335,999.70 and 144,684.60 is: 217,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,999.80 : 335,999.70 = 144,684.60 : x
  2. Step 2: Convert to fraction form
    223,999.80/335,999.70 = 144,684.60/x
  3. Step 3: Cross multiply
    223,999.80x = 335,999.70 × 144,684.60
  4. Step 4: Simplify right side
    223,999.80x = 48,613,982,194.62
  5. Step 5: Solve for x
    x = 48,613,982,194.62/223,999.80
  6. Step 6: Final answer
    x = 217,026.90

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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.