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Finding the Fourth Proportional to 82,008.45, 122,563.31 and 59,868.45

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Solution

The fourth proportional to 82,008.45, 122,563.31 and 59,868.45 is: 89,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,008.45 : 122,563.31 = 59,868.45 : x
  2. Step 2: Convert to fraction form
    82,008.45/122,563.31 = 59,868.45/x
  3. Step 3: Cross multiply
    82,008.45x = 122,563.31 × 59,868.45
  4. Step 4: Simplify right side
    82,008.45x = 7,337,675,097.23
  5. Step 5: Solve for x
    x = 7,337,675,097.23/82,008.45
  6. Step 6: Final answer
    x = 89,474.62

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.