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Finding the Fourth Proportional to 79,517.67, 109,741.38 and 43,714.65

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Solution

The fourth proportional to 79,517.67, 109,741.38 and 43,714.65 is: 60,330.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,517.67 : 109,741.38 = 43,714.65 : x
  2. Step 2: Convert to fraction form
    79,517.67/109,741.38 = 43,714.65/x
  3. Step 3: Cross multiply
    79,517.67x = 109,741.38 × 43,714.65
  4. Step 4: Simplify right side
    79,517.67x = 4,797,306,017.22
  5. Step 5: Solve for x
    x = 4,797,306,017.22/79,517.67
  6. Step 6: Final answer
    x = 60,330.06

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1.5x scale

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.