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Finding the Fourth Proportional to 192,757.60, 289,125.60 and 59,636.80

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Solution

The fourth proportional to 192,757.60, 289,125.60 and 59,636.80 is: 89,451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,757.60 : 289,125.60 = 59,636.80 : x
  2. Step 2: Convert to fraction form
    192,757.60/289,125.60 = 59,636.80/x
  3. Step 3: Cross multiply
    192,757.60x = 289,125.60 × 59,636.80
  4. Step 4: Simplify right side
    192,757.60x = 17,242,525,582.08
  5. Step 5: Solve for x
    x = 17,242,525,582.08/192,757.60
  6. Step 6: Final answer
    x = 89,451.86

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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.