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Finding the Fourth Proportional to 113,190.92, 169,786.20 and 30,084.92

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Solution

The fourth proportional to 113,190.92, 169,786.20 and 30,084.92 is: 45,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,190.92 : 169,786.20 = 30,084.92 : x
  2. Step 2: Convert to fraction form
    113,190.92/169,786.20 = 30,084.92/x
  3. Step 3: Cross multiply
    113,190.92x = 169,786.20 × 30,084.92
  4. Step 4: Simplify right side
    113,190.92x = 5,108,004,244.10
  5. Step 5: Solve for x
    x = 5,108,004,244.10/113,190.92
  6. Step 6: Final answer
    x = 45,127.33

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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.