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Finding the Fourth Proportional to 127,210.56, 190,903.29 and 44,104.56

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Solution

The fourth proportional to 127,210.56, 190,903.29 and 44,104.56 is: 66,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,210.56 : 190,903.29 = 44,104.56 : x
  2. Step 2: Convert to fraction form
    127,210.56/190,903.29 = 44,104.56/x
  3. Step 3: Cross multiply
    127,210.56x = 190,903.29 × 44,104.56
  4. Step 4: Simplify right side
    127,210.56x = 8,419,705,608.00
  5. Step 5: Solve for x
    x = 8,419,705,608.00/127,210.56
  6. Step 6: Final answer
    x = 66,187.16

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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.