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Finding the Fourth Proportional to 192,780.73, 289,184.61 and 59,643.46

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Solution

The fourth proportional to 192,780.73, 289,184.61 and 59,643.46 is: 89,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,780.73 : 289,184.61 = 59,643.46 : x
  2. Step 2: Convert to fraction form
    192,780.73/289,184.61 = 59,643.46/x
  3. Step 3: Cross multiply
    192,780.73x = 289,184.61 × 59,643.46
  4. Step 4: Simplify right side
    192,780.73x = 17,247,970,719.15
  5. Step 5: Solve for x
    x = 17,247,970,719.15/192,780.73
  6. Step 6: Final answer
    x = 89,469.37

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1.5x scale

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.