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Finding the Fourth Proportional to 223,416.01, 335,121.10 and 54,937.80

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Solution

The fourth proportional to 223,416.01, 335,121.10 and 54,937.80 is: 82,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,416.01 : 335,121.10 = 54,937.80 : x
  2. Step 2: Convert to fraction form
    223,416.01/335,121.10 = 54,937.80/x
  3. Step 3: Cross multiply
    223,416.01x = 335,121.10 × 54,937.80
  4. Step 4: Simplify right side
    223,416.01x = 18,410,815,967.58
  5. Step 5: Solve for x
    x = 18,410,815,967.58/223,416.01
  6. Step 6: Final answer
    x = 82,405.98

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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.