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Finding the Fourth Proportional to 79,722.43, 110,016.79 and 43,914.85

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Solution

The fourth proportional to 79,722.43, 110,016.79 and 43,914.85 is: 60,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,722.43 : 110,016.79 = 43,914.85 : x
  2. Step 2: Convert to fraction form
    79,722.43/110,016.79 = 43,914.85/x
  3. Step 3: Cross multiply
    79,722.43x = 110,016.79 × 43,914.85
  4. Step 4: Simplify right side
    79,722.43x = 4,831,370,830.33
  5. Step 5: Solve for x
    x = 4,831,370,830.33/79,722.43
  6. Step 6: Final answer
    x = 60,602.40

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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.