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Finding the Fourth Proportional to 223,451.20, 335,087.70 and 73,649.80

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Solution

The fourth proportional to 223,451.20, 335,087.70 and 73,649.80 is: 110,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,451.20 : 335,087.70 = 73,649.80 : x
  2. Step 2: Convert to fraction form
    223,451.20/335,087.70 = 73,649.80/x
  3. Step 3: Cross multiply
    223,451.20x = 335,087.70 × 73,649.80
  4. Step 4: Simplify right side
    223,451.20x = 24,679,142,087.46
  5. Step 5: Solve for x
    x = 24,679,142,087.46/223,451.20
  6. Step 6: Final answer
    x = 110,445.33

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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.