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Finding the Fourth Proportional to 108,111.50, 162,125.94 and 51,935.60

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Solution

The fourth proportional to 108,111.50, 162,125.94 and 51,935.60 is: 77,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,111.50 : 162,125.94 = 51,935.60 : x
  2. Step 2: Convert to fraction form
    108,111.50/162,125.94 = 51,935.60/x
  3. Step 3: Cross multiply
    108,111.50x = 162,125.94 × 51,935.60
  4. Step 4: Simplify right side
    108,111.50x = 8,420,107,969.46
  5. Step 5: Solve for x
    x = 8,420,107,969.46/108,111.50
  6. Step 6: Final answer
    x = 77,883.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.