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Finding the Fourth Proportional to 127,101, 190,651.50 and 33,606.75

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Solution

The fourth proportional to 127,101, 190,651.50 and 33,606.75 is: 50,410.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,101 : 190,651.50 = 33,606.75 : x
  2. Step 2: Convert to fraction form
    127,101/190,651.50 = 33,606.75/x
  3. Step 3: Cross multiply
    127,101x = 190,651.50 × 33,606.75
  4. Step 4: Simplify right side
    127,101x = 6,407,177,297.63
  5. Step 5: Solve for x
    x = 6,407,177,297.63/127,101
  6. Step 6: Final answer
    x = 50,410.13

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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.