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Finding the Fourth Proportional to 108,224.54, 162,379.86 and 41,646.79

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Solution

The fourth proportional to 108,224.54, 162,379.86 and 41,646.79 is: 62,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,224.54 : 162,379.86 = 41,646.79 : x
  2. Step 2: Convert to fraction form
    108,224.54/162,379.86 = 41,646.79/x
  3. Step 3: Cross multiply
    108,224.54x = 162,379.86 × 41,646.79
  4. Step 4: Simplify right side
    108,224.54x = 6,762,600,327.84
  5. Step 5: Solve for x
    x = 6,762,600,327.84/108,224.54
  6. Step 6: Final answer
    x = 62,486.76

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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.