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Finding the Fourth Proportional to 223,519.70, 335,280.26 and 55,043.96

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Solution

The fourth proportional to 223,519.70, 335,280.26 and 55,043.96 is: 82,566.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,519.70 : 335,280.26 = 55,043.96 : x
  2. Step 2: Convert to fraction form
    223,519.70/335,280.26 = 55,043.96/x
  3. Step 3: Cross multiply
    223,519.70x = 335,280.26 × 55,043.96
  4. Step 4: Simplify right side
    223,519.70x = 18,455,151,681.44
  5. Step 5: Solve for x
    x = 18,455,151,681.44/223,519.70
  6. Step 6: Final answer
    x = 82,566.11

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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.