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Finding the Fourth Proportional to 108,355.32, 162,540.27 and 41,796

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Solution

The fourth proportional to 108,355.32, 162,540.27 and 41,796 is: 62,696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,355.32 : 162,540.27 = 41,796 : x
  2. Step 2: Convert to fraction form
    108,355.32/162,540.27 = 41,796/x
  3. Step 3: Cross multiply
    108,355.32x = 162,540.27 × 41,796
  4. Step 4: Simplify right side
    108,355.32x = 6,793,533,124.92
  5. Step 5: Solve for x
    x = 6,793,533,124.92/108,355.32
  6. Step 6: Final answer
    x = 62,696.81

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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.