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Finding the Fourth Proportional to 223,953.26, 335,942.13 and 90,813.74

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Solution

The fourth proportional to 223,953.26, 335,942.13 and 90,813.74 is: 136,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,953.26 : 335,942.13 = 90,813.74 : x
  2. Step 2: Convert to fraction form
    223,953.26/335,942.13 = 90,813.74/x
  3. Step 3: Cross multiply
    223,953.26x = 335,942.13 × 90,813.74
  4. Step 4: Simplify right side
    223,953.26x = 30,508,161,248.87
  5. Step 5: Solve for x
    x = 30,508,161,248.87/223,953.26
  6. Step 6: Final answer
    x = 136,225.57

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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.