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Finding the Fourth Proportional to 108,546.10, 162,819.15 and 95,424.10

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Solution

The fourth proportional to 108,546.10, 162,819.15 and 95,424.10 is: 143,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,546.10 : 162,819.15 = 95,424.10 : x
  2. Step 2: Convert to fraction form
    108,546.10/162,819.15 = 95,424.10/x
  3. Step 3: Cross multiply
    108,546.10x = 162,819.15 × 95,424.10
  4. Step 4: Simplify right side
    108,546.10x = 15,536,870,851.52
  5. Step 5: Solve for x
    x = 15,536,870,851.52/108,546.10
  6. Step 6: Final answer
    x = 143,136.15

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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.