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Finding the Fourth Proportional to 192,500.68, 288,794.76 and 72,594.76

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Solution

The fourth proportional to 192,500.68, 288,794.76 and 72,594.76 is: 108,908.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,500.68 : 288,794.76 = 72,594.76 : x
  2. Step 2: Convert to fraction form
    192,500.68/288,794.76 = 72,594.76/x
  3. Step 3: Cross multiply
    192,500.68x = 288,794.76 × 72,594.76
  4. Step 4: Simplify right side
    192,500.68x = 20,964,986,291.46
  5. Step 5: Solve for x
    x = 20,964,986,291.46/192,500.68
  6. Step 6: Final answer
    x = 108,908.63

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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.