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Finding the Fourth Proportional to 127,995.32, 192,020.26 and 49,108.88

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Solution

The fourth proportional to 127,995.32, 192,020.26 and 49,108.88 is: 73,673.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,995.32 : 192,020.26 = 49,108.88 : x
  2. Step 2: Convert to fraction form
    127,995.32/192,020.26 = 49,108.88/x
  3. Step 3: Cross multiply
    127,995.32x = 192,020.26 × 49,108.88
  4. Step 4: Simplify right side
    127,995.32x = 9,429,899,905.91
  5. Step 5: Solve for x
    x = 9,429,899,905.91/127,995.32
  6. Step 6: Final answer
    x = 73,673.79

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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.