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Finding the Fourth Proportional to 108,804.94, 150,112.30 and 71,101.06

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Solution

The fourth proportional to 108,804.94, 150,112.30 and 71,101.06 is: 98,094.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,804.94 : 150,112.30 = 71,101.06 : x
  2. Step 2: Convert to fraction form
    108,804.94/150,112.30 = 71,101.06/x
  3. Step 3: Cross multiply
    108,804.94x = 150,112.30 × 71,101.06
  4. Step 4: Simplify right side
    108,804.94x = 10,673,143,649.04
  5. Step 5: Solve for x
    x = 10,673,143,649.04/108,804.94
  6. Step 6: Final answer
    x = 98,094.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.