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Finding the Fourth Proportional to 79,179.32, 109,267.34 and 43,369.32

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Solution

The fourth proportional to 79,179.32, 109,267.34 and 43,369.32 is: 59,849.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,179.32 : 109,267.34 = 43,369.32 : x
  2. Step 2: Convert to fraction form
    79,179.32/109,267.34 = 43,369.32/x
  3. Step 3: Cross multiply
    79,179.32x = 109,267.34 × 43,369.32
  4. Step 4: Simplify right side
    79,179.32x = 4,738,850,234.01
  5. Step 5: Solve for x
    x = 4,738,850,234.01/79,179.32
  6. Step 6: Final answer
    x = 59,849.59

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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.