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Finding the Fourth Proportional to 79,878.12, 110,232.17 and 44,068.11

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Solution

The fourth proportional to 79,878.12, 110,232.17 and 44,068.11 is: 60,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,878.12 : 110,232.17 = 44,068.11 : x
  2. Step 2: Convert to fraction form
    79,878.12/110,232.17 = 44,068.11/x
  3. Step 3: Cross multiply
    79,878.12x = 110,232.17 × 44,068.11
  4. Step 4: Simplify right side
    79,878.12x = 4,857,723,393.10
  5. Step 5: Solve for x
    x = 4,857,723,393.10/79,878.12
  6. Step 6: Final answer
    x = 60,814.19

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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.