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Finding the Fourth Proportional to 223,416.40, 335,173.20 and 73,631.20

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Solution

The fourth proportional to 223,416.40, 335,173.20 and 73,631.20 is: 110,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,416.40 : 335,173.20 = 73,631.20 : x
  2. Step 2: Convert to fraction form
    223,416.40/335,173.20 = 73,631.20/x
  3. Step 3: Cross multiply
    223,416.40x = 335,173.20 × 73,631.20
  4. Step 4: Simplify right side
    223,416.40x = 24,679,204,923.84
  5. Step 5: Solve for x
    x = 24,679,204,923.84/223,416.40
  6. Step 6: Final answer
    x = 110,462.82

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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.