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Finding the Fourth Proportional to 108,116, 149,182.28 and 60,361.68

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Solution

The fourth proportional to 108,116, 149,182.28 and 60,361.68 is: 83,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,116 : 149,182.28 = 60,361.68 : x
  2. Step 2: Convert to fraction form
    108,116/149,182.28 = 60,361.68/x
  3. Step 3: Cross multiply
    108,116x = 149,182.28 × 60,361.68
  4. Step 4: Simplify right side
    108,116x = 9,004,893,047.03
  5. Step 5: Solve for x
    x = 9,004,893,047.03/108,116
  6. Step 6: Final answer
    x = 83,289.18

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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.