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Finding the Fourth Proportional to 127,197.45, 190,800.32 and 63,983.12

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Solution

The fourth proportional to 127,197.45, 190,800.32 and 63,983.12 is: 95,976.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,197.45 : 190,800.32 = 63,983.12 : x
  2. Step 2: Convert to fraction form
    127,197.45/190,800.32 = 63,983.12/x
  3. Step 3: Cross multiply
    127,197.45x = 190,800.32 × 63,983.12
  4. Step 4: Simplify right side
    127,197.45x = 12,207,998,496.68
  5. Step 5: Solve for x
    x = 12,207,998,496.68/127,197.45
  6. Step 6: Final answer
    x = 95,976.76

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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.