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Finding the Fourth Proportional to 108,576.60, 162,816.30 and 49,381.80

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Solution

The fourth proportional to 108,576.60, 162,816.30 and 49,381.80 is: 74,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,576.60 : 162,816.30 = 49,381.80 : x
  2. Step 2: Convert to fraction form
    108,576.60/162,816.30 = 49,381.80/x
  3. Step 3: Cross multiply
    108,576.60x = 162,816.30 × 49,381.80
  4. Step 4: Simplify right side
    108,576.60x = 8,040,161,963.34
  5. Step 5: Solve for x
    x = 8,040,161,963.34/108,576.60
  6. Step 6: Final answer
    x = 74,050.60

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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.