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Finding the Fourth Proportional to 55,974.57, 77,186.84 and 43,229.82

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Solution

The fourth proportional to 55,974.57, 77,186.84 and 43,229.82 is: 59,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,974.57 : 77,186.84 = 43,229.82 : x
  2. Step 2: Convert to fraction form
    55,974.57/77,186.84 = 43,229.82/x
  3. Step 3: Cross multiply
    55,974.57x = 77,186.84 × 43,229.82
  4. Step 4: Simplify right side
    55,974.57x = 3,336,773,199.57
  5. Step 5: Solve for x
    x = 3,336,773,199.57/55,974.57
  6. Step 6: Final answer
    x = 59,612.31

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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.