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Finding the Fourth Proportional to 127,814.82, 191,722.44 and 127,630.14

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Solution

The fourth proportional to 127,814.82, 191,722.44 and 127,630.14 is: 191,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,814.82 : 191,722.44 = 127,630.14 : x
  2. Step 2: Convert to fraction form
    127,814.82/191,722.44 = 127,630.14/x
  3. Step 3: Cross multiply
    127,814.82x = 191,722.44 × 127,630.14
  4. Step 4: Simplify right side
    127,814.82x = 24,469,561,858.34
  5. Step 5: Solve for x
    x = 24,469,561,858.34/127,814.82
  6. Step 6: Final answer
    x = 191,445.42

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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.