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Finding the Fourth Proportional to 192,552.65, 288,737.82 and 112,613.75

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Solution

The fourth proportional to 192,552.65, 288,737.82 and 112,613.75 is: 168,867.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,552.65 : 288,737.82 = 112,613.75 : x
  2. Step 2: Convert to fraction form
    192,552.65/288,737.82 = 112,613.75/x
  3. Step 3: Cross multiply
    192,552.65x = 288,737.82 × 112,613.75
  4. Step 4: Simplify right side
    192,552.65x = 32,515,847,233.34
  5. Step 5: Solve for x
    x = 32,515,847,233.34/192,552.65
  6. Step 6: Final answer
    x = 168,867.31

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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.