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Finding the Fourth Proportional to 192,808.29, 289,226.21 and 59,671.42

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Solution

The fourth proportional to 192,808.29, 289,226.21 and 59,671.42 is: 89,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,808.29 : 289,226.21 = 59,671.42 : x
  2. Step 2: Convert to fraction form
    192,808.29/289,226.21 = 59,671.42/x
  3. Step 3: Cross multiply
    192,808.29x = 289,226.21 × 59,671.42
  4. Step 4: Simplify right side
    192,808.29x = 17,258,538,651.92
  5. Step 5: Solve for x
    x = 17,258,538,651.92/192,808.29
  6. Step 6: Final answer
    x = 89,511.39

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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.