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Finding the Fourth Proportional to 223,756.15, 335,554.30 and 73,968.79

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Solution

The fourth proportional to 223,756.15, 335,554.30 and 73,968.79 is: 110,926.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,756.15 : 335,554.30 = 73,968.79 : x
  2. Step 2: Convert to fraction form
    223,756.15/335,554.30 = 73,968.79/x
  3. Step 3: Cross multiply
    223,756.15x = 335,554.30 × 73,968.79
  4. Step 4: Simplify right side
    223,756.15x = 24,820,543,502.68
  5. Step 5: Solve for x
    x = 24,820,543,502.68/223,756.15
  6. Step 6: Final answer
    x = 110,926.76

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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.