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Finding the Fourth Proportional to 79,514.15, 109,730.22 and 43,705

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Solution

The fourth proportional to 79,514.15, 109,730.22 and 43,705 is: 60,313.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,514.15 : 109,730.22 = 43,705 : x
  2. Step 2: Convert to fraction form
    79,514.15/109,730.22 = 43,705/x
  3. Step 3: Cross multiply
    79,514.15x = 109,730.22 × 43,705
  4. Step 4: Simplify right side
    79,514.15x = 4,795,759,265.10
  5. Step 5: Solve for x
    x = 4,795,759,265.10/79,514.15
  6. Step 6: Final answer
    x = 60,313.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.