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Finding the Fourth Proportional to 79,655.62, 109,926.94 and 43,847.86

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Solution

The fourth proportional to 79,655.62, 109,926.94 and 43,847.86 is: 60,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,655.62 : 109,926.94 = 43,847.86 : x
  2. Step 2: Convert to fraction form
    79,655.62/109,926.94 = 43,847.86/x
  3. Step 3: Cross multiply
    79,655.62x = 109,926.94 × 43,847.86
  4. Step 4: Simplify right side
    79,655.62x = 4,820,061,075.35
  5. Step 5: Solve for x
    x = 4,820,061,075.35/79,655.62
  6. Step 6: Final answer
    x = 60,511.25

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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.