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Finding the Fourth Proportional to 223,855.38, 335,558.70 and 103,996.56

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Solution

The fourth proportional to 223,855.38, 335,558.70 and 103,996.56 is: 155,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,855.38 : 335,558.70 = 103,996.56 : x
  2. Step 2: Convert to fraction form
    223,855.38/335,558.70 = 103,996.56/x
  3. Step 3: Cross multiply
    223,855.38x = 335,558.70 × 103,996.56
  4. Step 4: Simplify right side
    223,855.38x = 34,896,950,478.07
  5. Step 5: Solve for x
    x = 34,896,950,478.07/223,855.38
  6. Step 6: Final answer
    x = 155,890.60

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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.