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Finding the Fourth Proportional to 79,878.42, 110,232.60 and 44,068.43

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Solution

The fourth proportional to 79,878.42, 110,232.60 and 44,068.43 is: 60,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,878.42 : 110,232.60 = 44,068.43 : x
  2. Step 2: Convert to fraction form
    79,878.42/110,232.60 = 44,068.43/x
  3. Step 3: Cross multiply
    79,878.42x = 110,232.60 × 44,068.43
  4. Step 4: Simplify right side
    79,878.42x = 4,857,777,616.82
  5. Step 5: Solve for x
    x = 4,857,777,616.82/79,878.42
  6. Step 6: Final answer
    x = 60,814.64

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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.