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Finding the Fourth Proportional to 74,874.96, 103,327.92 and 41,340.96

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Solution

The fourth proportional to 74,874.96, 103,327.92 and 41,340.96 is: 57,050.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,874.96 : 103,327.92 = 41,340.96 : x
  2. Step 2: Convert to fraction form
    74,874.96/103,327.92 = 41,340.96/x
  3. Step 3: Cross multiply
    74,874.96x = 103,327.92 × 41,340.96
  4. Step 4: Simplify right side
    74,874.96x = 4,271,675,407.60
  5. Step 5: Solve for x
    x = 4,271,675,407.60/74,874.96
  6. Step 6: Final answer
    x = 57,050.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.