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Finding the Fourth Proportional to 127,796.92, 191,723.46 and 39,057.28

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Solution

The fourth proportional to 127,796.92, 191,723.46 and 39,057.28 is: 58,594.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,796.92 : 191,723.46 = 39,057.28 : x
  2. Step 2: Convert to fraction form
    127,796.92/191,723.46 = 39,057.28/x
  3. Step 3: Cross multiply
    127,796.92x = 191,723.46 × 39,057.28
  4. Step 4: Simplify right side
    127,796.92x = 7,488,196,859.79
  5. Step 5: Solve for x
    x = 7,488,196,859.79/127,796.92
  6. Step 6: Final answer
    x = 58,594.50

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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.