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Finding the Fourth Proportional to 127,846.80, 191,770.20 and 122,014.80

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Solution

The fourth proportional to 127,846.80, 191,770.20 and 122,014.80 is: 183,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,846.80 : 191,770.20 = 122,014.80 : x
  2. Step 2: Convert to fraction form
    127,846.80/191,770.20 = 122,014.80/x
  3. Step 3: Cross multiply
    127,846.80x = 191,770.20 × 122,014.80
  4. Step 4: Simplify right side
    127,846.80x = 23,398,802,598.96
  5. Step 5: Solve for x
    x = 23,398,802,598.96/127,846.80
  6. Step 6: Final answer
    x = 183,022.20

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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.