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Finding the Fourth Proportional to 77,847.90, 107,411.67 and 44,324.70

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Solution

The fourth proportional to 77,847.90, 107,411.67 and 44,324.70 is: 61,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,847.90 : 107,411.67 = 44,324.70 : x
  2. Step 2: Convert to fraction form
    77,847.90/107,411.67 = 44,324.70/x
  3. Step 3: Cross multiply
    77,847.90x = 107,411.67 × 44,324.70
  4. Step 4: Simplify right side
    77,847.90x = 4,760,990,049.25
  5. Step 5: Solve for x
    x = 4,760,990,049.25/77,847.90
  6. Step 6: Final answer
    x = 61,157.59

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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.