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Finding the Fourth Proportional to 108,281.63, 162,360.10 and 41,713.09

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Solution

The fourth proportional to 108,281.63, 162,360.10 and 41,713.09 is: 62,545.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,281.63 : 162,360.10 = 41,713.09 : x
  2. Step 2: Convert to fraction form
    108,281.63/162,360.10 = 41,713.09/x
  3. Step 3: Cross multiply
    108,281.63x = 162,360.10 × 41,713.09
  4. Step 4: Simplify right side
    108,281.63x = 6,772,541,788.59
  5. Step 5: Solve for x
    x = 6,772,541,788.59/108,281.63
  6. Step 6: Final answer
    x = 62,545.62

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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.