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Finding the Fourth Proportional to 76,687.15, 115,049.15 and 24,096.59

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Solution

The fourth proportional to 76,687.15, 115,049.15 and 24,096.59 is: 36,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,687.15 : 115,049.15 = 24,096.59 : x
  2. Step 2: Convert to fraction form
    76,687.15/115,049.15 = 24,096.59/x
  3. Step 3: Cross multiply
    76,687.15x = 115,049.15 × 24,096.59
  4. Step 4: Simplify right side
    76,687.15x = 2,772,292,197.40
  5. Step 5: Solve for x
    x = 2,772,292,197.40/76,687.15
  6. Step 6: Final answer
    x = 36,150.67

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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.