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Finding the Fourth Proportional to 127,846.14, 191,738.46 and 39,100.42

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Solution

The fourth proportional to 127,846.14, 191,738.46 and 39,100.42 is: 58,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,846.14 : 191,738.46 = 39,100.42 : x
  2. Step 2: Convert to fraction form
    127,846.14/191,738.46 = 39,100.42/x
  3. Step 3: Cross multiply
    127,846.14x = 191,738.46 × 39,100.42
  4. Step 4: Simplify right side
    127,846.14x = 7,497,053,283.56
  5. Step 5: Solve for x
    x = 7,497,053,283.56/127,846.14
  6. Step 6: Final answer
    x = 58,641.22

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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.