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Finding the Fourth Proportional to 127,179.66, 190,804.06 and 44,080.14

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Solution

The fourth proportional to 127,179.66, 190,804.06 and 44,080.14 is: 66,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,179.66 : 190,804.06 = 44,080.14 : x
  2. Step 2: Convert to fraction form
    127,179.66/190,804.06 = 44,080.14/x
  3. Step 3: Cross multiply
    127,179.66x = 190,804.06 × 44,080.14
  4. Step 4: Simplify right side
    127,179.66x = 8,410,669,677.37
  5. Step 5: Solve for x
    x = 8,410,669,677.37/127,179.66
  6. Step 6: Final answer
    x = 66,132.19

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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.