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Finding the Fourth Proportional to 68,129.37, 102,833.98 and 68,129.37

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Solution

The fourth proportional to 68,129.37, 102,833.98 and 68,129.37 is: 102,833.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,129.37 : 102,833.98 = 68,129.37 : x
  2. Step 2: Convert to fraction form
    68,129.37/102,833.98 = 68,129.37/x
  3. Step 3: Cross multiply
    68,129.37x = 102,833.98 × 68,129.37
  4. Step 4: Simplify right side
    68,129.37x = 7,006,013,757.82
  5. Step 5: Solve for x
    x = 7,006,013,757.82/68,129.37
  6. Step 6: Final answer
    x = 102,833.98

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.