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Finding the Fourth Proportional to 71,392.93, 98,524.79 and 43,093.09

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Solution

The fourth proportional to 71,392.93, 98,524.79 and 43,093.09 is: 59,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,392.93 : 98,524.79 = 43,093.09 : x
  2. Step 2: Convert to fraction form
    71,392.93/98,524.79 = 43,093.09/x
  3. Step 3: Cross multiply
    71,392.93x = 98,524.79 × 43,093.09
  4. Step 4: Simplify right side
    71,392.93x = 4,245,737,427.24
  5. Step 5: Solve for x
    x = 4,245,737,427.24/71,392.93
  6. Step 6: Final answer
    x = 59,470.00

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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.