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Finding the Fourth Proportional to 77,225.22, 115,854.84 and 43,960.98

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Solution

The fourth proportional to 77,225.22, 115,854.84 and 43,960.98 is: 65,951.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,225.22 : 115,854.84 = 43,960.98 : x
  2. Step 2: Convert to fraction form
    77,225.22/115,854.84 = 43,960.98/x
  3. Step 3: Cross multiply
    77,225.22x = 115,854.84 × 43,960.98
  4. Step 4: Simplify right side
    77,225.22x = 5,093,092,304.14
  5. Step 5: Solve for x
    x = 5,093,092,304.14/77,225.22
  6. Step 6: Final answer
    x = 65,951.15

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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.