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Finding the Fourth Proportional to 77,110.56, 115,665.84 and 24,520.04

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Solution

The fourth proportional to 77,110.56, 115,665.84 and 24,520.04 is: 36,780.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,110.56 : 115,665.84 = 24,520.04 : x
  2. Step 2: Convert to fraction form
    77,110.56/115,665.84 = 24,520.04/x
  3. Step 3: Cross multiply
    77,110.56x = 115,665.84 × 24,520.04
  4. Step 4: Simplify right side
    77,110.56x = 2,836,131,023.43
  5. Step 5: Solve for x
    x = 2,836,131,023.43/77,110.56
  6. Step 6: Final answer
    x = 36,780.06

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1.5x scale

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.