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Finding the Fourth Proportional to 82,089.82, 113,285.28 and 46,281.61

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Solution

The fourth proportional to 82,089.82, 113,285.28 and 46,281.61 is: 63,869.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,089.82 : 113,285.28 = 46,281.61 : x
  2. Step 2: Convert to fraction form
    82,089.82/113,285.28 = 46,281.61/x
  3. Step 3: Cross multiply
    82,089.82x = 113,285.28 × 46,281.61
  4. Step 4: Simplify right side
    82,089.82x = 5,243,025,147.70
  5. Step 5: Solve for x
    x = 5,243,025,147.70/82,089.82
  6. Step 6: Final answer
    x = 63,869.37

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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.