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Finding the Fourth Proportional to 192,615.46, 288,733.64 and 112,551.82

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Solution

The fourth proportional to 192,615.46, 288,733.64 and 112,551.82 is: 168,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,615.46 : 288,733.64 = 112,551.82 : x
  2. Step 2: Convert to fraction form
    192,615.46/288,733.64 = 112,551.82/x
  3. Step 3: Cross multiply
    192,615.46x = 288,733.64 × 112,551.82
  4. Step 4: Simplify right side
    192,615.46x = 32,497,496,677.22
  5. Step 5: Solve for x
    x = 32,497,496,677.22/192,615.46
  6. Step 6: Final answer
    x = 168,716.97

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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.