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Finding the Fourth Proportional to 135,080.76, 202,606.02 and 51,916.44

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Solution

The fourth proportional to 135,080.76, 202,606.02 and 51,916.44 is: 77,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,080.76 : 202,606.02 = 51,916.44 : x
  2. Step 2: Convert to fraction form
    135,080.76/202,606.02 = 51,916.44/x
  3. Step 3: Cross multiply
    135,080.76x = 202,606.02 × 51,916.44
  4. Step 4: Simplify right side
    135,080.76x = 10,518,583,280.97
  5. Step 5: Solve for x
    x = 10,518,583,280.97/135,080.76
  6. Step 6: Final answer
    x = 77,868.85

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Why These Related Problems?

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