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Finding the Fourth Proportional to 66,924.90, 92,418.84 and 43,093.08

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Solution

The fourth proportional to 66,924.90, 92,418.84 and 43,093.08 is: 59,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,924.90 : 92,418.84 = 43,093.08 : x
  2. Step 2: Convert to fraction form
    66,924.90/92,418.84 = 43,093.08/x
  3. Step 3: Cross multiply
    66,924.90x = 92,418.84 × 43,093.08
  4. Step 4: Simplify right side
    66,924.90x = 3,982,612,465.63
  5. Step 5: Solve for x
    x = 3,982,612,465.63/66,924.90
  6. Step 6: Final answer
    x = 59,508.68

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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.