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Finding the Fourth Proportional to 79,325.84, 109,467.78 and 43,515.54

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Solution

The fourth proportional to 79,325.84, 109,467.78 and 43,515.54 is: 60,050.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,325.84 : 109,467.78 = 43,515.54 : x
  2. Step 2: Convert to fraction form
    79,325.84/109,467.78 = 43,515.54/x
  3. Step 3: Cross multiply
    79,325.84x = 109,467.78 × 43,515.54
  4. Step 4: Simplify right side
    79,325.84x = 4,763,549,559.30
  5. Step 5: Solve for x
    x = 4,763,549,559.30/79,325.84
  6. Step 6: Final answer
    x = 60,050.41

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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.