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Finding the Fourth Proportional to 107,508.92, 161,265 and 37,390.64

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Solution

The fourth proportional to 107,508.92, 161,265 and 37,390.64 is: 56,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,508.92 : 161,265 = 37,390.64 : x
  2. Step 2: Convert to fraction form
    107,508.92/161,265 = 37,390.64/x
  3. Step 3: Cross multiply
    107,508.92x = 161,265 × 37,390.64
  4. Step 4: Simplify right side
    107,508.92x = 6,029,801,559.60
  5. Step 5: Solve for x
    x = 6,029,801,559.60/107,508.92
  6. Step 6: Final answer
    x = 56,086.52

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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.