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Finding the Fourth Proportional to 108,541.20, 162,763.20 and 41,959.20

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Solution

The fourth proportional to 108,541.20, 162,763.20 and 41,959.20 is: 62,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,541.20 : 162,763.20 = 41,959.20 : x
  2. Step 2: Convert to fraction form
    108,541.20/162,763.20 = 41,959.20/x
  3. Step 3: Cross multiply
    108,541.20x = 162,763.20 × 41,959.20
  4. Step 4: Simplify right side
    108,541.20x = 6,829,413,661.44
  5. Step 5: Solve for x
    x = 6,829,413,661.44/108,541.20
  6. Step 6: Final answer
    x = 62,920.01

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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.