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Finding the Fourth Proportional to 79,358.01, 109,514.88 and 43,550.34

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Solution

The fourth proportional to 79,358.01, 109,514.88 and 43,550.34 is: 60,099.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,358.01 : 109,514.88 = 43,550.34 : x
  2. Step 2: Convert to fraction form
    79,358.01/109,514.88 = 43,550.34/x
  3. Step 3: Cross multiply
    79,358.01x = 109,514.88 × 43,550.34
  4. Step 4: Simplify right side
    79,358.01x = 4,769,410,259.06
  5. Step 5: Solve for x
    x = 4,769,410,259.06/79,358.01
  6. Step 6: Final answer
    x = 60,099.92

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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.