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Finding the Fourth Proportional to 77,269.86, 115,757.67 and 44,012.88

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Solution

The fourth proportional to 77,269.86, 115,757.67 and 44,012.88 is: 65,935.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,269.86 : 115,757.67 = 44,012.88 : x
  2. Step 2: Convert to fraction form
    77,269.86/115,757.67 = 44,012.88/x
  3. Step 3: Cross multiply
    77,269.86x = 115,757.67 × 44,012.88
  4. Step 4: Simplify right side
    77,269.86x = 5,094,828,438.79
  5. Step 5: Solve for x
    x = 5,094,828,438.79/77,269.86
  6. Step 6: Final answer
    x = 65,935.52

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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.